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smenu(1)		    General Commands Manual		      smenu(1)

       smenu  -	 filter	 that  allows  one to interactively select a word from
       stdin and outputs the selection to stdout.

	 [-n|-lines|-height [height]]
	 [-i|-in|-inc|-incl|-include...	regex]
	 [-e|-ex|-exc|-excl|-exclude...	regex]
	 [-m|-msg|-message|-title message]
	 [-a|-attr|-attributes prefix:attr...]
	 [-1|-l1|-level1 regex [attr]]
	 [-2|-l2|-level2 regex [attr]]
	 [-3|-l3|-level3 regex [attr]]
	 [-4|-l4|-level4 regex [attr]]
	 [-5|-l5|-level5 regex [attr]]
	 [-T|-tm|-tag|-tag_mode	[delim]]
	 [-z|-zap|-zap_glyphs bytes]
	 [-P|-pm|-pin|-pin_mode	[delim]]
	 [-N|-number...	[regex...]]
	 [-U|-unnumber... [regex...]]
	 [-D|-data|-options [parameter...]
	 [-t|-tab|-tab_mode|-tabulate_mode [cols]]
	 [-C|-cs|-cols|-cols_select... selector...]
	 [-R|-rs|-rows|-rows_select... selector...]
	 [-A|-fc|-first_column regex]
	 [-Z|-lc|-last_column regex]
	 [-g|-gutter [string]]
	 [-W|-ws|-wd|-word_delimiters|-word_separators bytes]
	 [-L|-ls|-ld|-line-delimiters|-line_separators bytes]
	 [-S|-subst... /regex/repl/opts]
	 [-I|-si|-subst_included... /regex/repl/opts]
	 [-E|-se|-subst_excluded... /regex/repl/opts]
	 [-/|-search_method prefix|substring|fuzzy]
	 [-s|-sp|-start|-start_pattern pattern]
	 [-x|-tmout|-timeout type [word] delay]
	 [-X|-htmout|-hidden_timeout type [word] delay]

	 selectors ::= col1[-col2],...|row1[-row2],...|RE,...
	 parameter ::= [l|r:<char>]|[a:left|right]|[p:included|all|[w:<num>]|
	 attr	   ::= [fg][/bg][,style]
	 RE	   ::= <char>regex<char>

	 selectors and RE can be freely	mixed.
	 <char>	in RE is any non-blank ASCII character except ','.

       Note that some parameters require that others have been previously  en-
       tered in	the command line to be accepted.

       This  small utility acts	as a filter when no input file is given	(reads
       from stdin and writes to	stdout)	or takes its inputs from that file.

       All the words read are presented	in a scrolling window on the  terminal
       at  the	current	 cursor	position without having	previously cleared the

       The selection cursor is initially positioned on	the  first  selectable
       word by default.

       There  are options to explicitly	or implicitly include or exclude words
       using extended regular expressions.  Note that when some	words are  ex-
       plicitly	excluded they can no longer be re-included after.

       Excluded	 words are skipped when	the selection cursor is	moved and can-
       not be searched for.

       The -W|-ws|-wd|-word_delimiters|-word_separators	option can be used  to
       set  the	 characters (or	multibyte sequences) which will	be used	to de-
       limit the input words.  The default delimiters are: SPACE, \t and \n.

       The -L|-ls|-ld|-line-delimiters|-line_separators	has a similar  meaning
       for lines.

       Special	character sequences formed by a	\ followed by one of the char-
       acters a	b t n v	f r and	\ are understood and  have  their  traditional

       UTF-8 sequences introduced by \u	and \U are also	understood.

       Warning,	when used together, it is important to know that all sequences
       starting	with \U	will be	interpreted before the start of	interpretation
       of sequences starting with \u.

       \u  can	be  followed by	2,4,6 or 8 hexadecimal characters composing an
       UTF-8 bytestring.  Here is an example of	using \u to compose  a	lower-
       case latin e with acute accent: \uc3a9.

       \U  must	be followed by exactly 6 hexadecimal digits, including leading
       zeros, that represent a unicode codepoint according to ISO 10646	UCS-4.
       The  lowercase  latin  e	 with acute of the previous example (codepoint
       U+00E9) can then	be represented using the notation: \U0000e9.

       Note that with most shells, the \ before	u and U	need to	 be  protected
       or escaped.

       Quotations  (single  and	double)	in the input stream can	be used	to ig-
       nore the	word separators	so that	a group	of words are taken as a	single

       Non printable characters	in words that are not delimiters are converted
       to their	traditional form (\n for end-of-line, \t for tabulation...) by

       An  invalid UTF-8 sequence or other non-printable character will	be re-
       placed by a dot (.) by default.

       There is	nevertheless a possibility to change this substitution charac-
       ter  with another ASCII printable one with the help of the command line
       option -.|-dot|-invalid.

       Warning,	UTF-8 encoded codepoints are quietly converted into  the  sub-
       stitution  character when the user locale is not	UTF-8 aware like POSIX
       or C by example.

       Words containing	only spaces, entered directly or resulting from	a sub-
       stitution,  are also rejected unless they are not selectable.  This al-
       lows special effects like creating  blank  lines	 for  example.	 These
       words are also kept in column mode, selectable or not.

       smenu  has  an  option to define	a set of characters or UTF-8 sequences
       which should be ignored when reading words.  This can  be  very	useful
       when  dealing  with inputs where	the EOL	sequence consists in more than
       one character.

       A typical example is DOS	or Windows files with lines ending with	 CRLF.
       In  such	 a  case one might decide to ignore all	CR characters from the

   Moving among	words
       The cursor can be moved in every	direction by using the keyboard	 arrow
       keys  (<-,|v,|^,->) or the	vi direction keys (h, j, k and l).  HOME, END,
       PgDn and	PgUp can also be used, if available, and  have	the  following

       <-, h			       Previous	word
       CTRL <-,	H		       Start of	line
       |^, k			       Previous	line
       PgUp, K			       Previous	page
       HOME			       First word of the window
       CTRL HOME, SHIFT	HOME, CTRL K   First word

       ->, l			       Next word
       CTRL ->,	L		       End of line
       |v, j			       Next line
       PgDn, J			       Next page
       END			       Last word of the	window
       CTRL END, SHIFT END, CTRL J     Last word

       CTRL <-/H  (resp. CTRL ->/L) places the cursor so that a	maximum	number
       of words	(selectable or not) are	visible	to the left (reps. right) side
       of the window.

       If  -N|-number,	-U|-unnumber or	-F|-en|-embedded_number	are used, then
       it becomes possible to directly access a	word by	entering  its  number.
       The  numbering created using these option is done before	any words sub-
       stitution done using -S|-subst /regex/repl/opts,	-I|-si|-subst_included
       or -E|-se|-subst_excluded.

       Using a combination of these options, it	is easy	to control which words
       will be numbered	by adding a special symbol in it  before  using	 smenu
       and    removing	 it   (substituted   by	  nothing)   afterward	 using
       -I|-si|-subst_included by example.

       -E|-se|-subst_excluded gives another way	to do that, see	below or more.

   Searching for words
       A word can be searched using different algorithms: prefix, substring of

       prefix (keys ^ or =):
	      The sequence of characters entered must match the	beginning of a

       substring (keys " or '):
	      The sequence of characters entered must match a substring	 in  a

       fuzzy (keys ~ or	*):
	      All  the	characters  in the entered sequence must appear	in the
	      same order in a word, but	need not be consecutive.

	      The case is also ignored.

	      Note that	spaces and tabs	at the beginning and end of words  are
	      ignored when searching for substrings or fuzzy strings.

	      The  cursor  is  placed, if possible, on the first matching word
	      having the minimum number	of gaps	between	 the  first  and  last
	      matching	character,  see	 the difference	between	the actions of
	      the s/S and n/N keys below.

	      This method also tolerates intermediate symbols not appearing in
	      the  words  which	will be	ignored.  If this is the case, the at-
	      tributes of the approximatively matching words are changed  into
	      an error versions	of them	to warn	the user to this situation.

	      The erroneous symbols will not be	inserted in the	search buffer.

	      For  example:  if	the word abcdef	is present in the standard in-
	      put, then	entering abxcdye puts abcdef in	the search buffer  and
	      the  word	 is  added to the list of matching words and displayed
	      with an error attribute (in red by default).

	      This special state will persist until all	the symbols  following
	      the  first erroneous one are deleted (using backspace) or	if ESC
	      is pressed to cancel the search session  and  clear  the	search

       During  a search	session, the cursor changes and	each character entered
       is added	in (or removed from) the search	buffer.	 The  display  is  re-
       freshed after each change in this buffer.

       A 10 seconds timeout (by	default) automatically ends the	current	search
       session as if the Enter key had been pressed.  This  timeout  is	 reset
       each  time  a new key is	hit in search mode.  This delay	can be config-
       ured using the search entry in the timers section of the	 configuration
       file as shown in	the example in the configuration subsection.

       The  slash  key	(/) can	also be	used instead of	any of these keys.  By
       default it is is	programmed to do  a  fuzzy  search  but	 this  can  be
       changed by using	the command line option	(-/|-search_method) or by tun-
       ing a configuration file, see below.

       All the words matching the current  search  buffer  are	enhanced:  The
       characters  present in the current search buffer	are highlighted	in one
       way and the other characters in another way.  Both of these  highlight-
       ing methods are configurable.

       If  the	user  has entered the search sequence: o, s, then the matching
       word "words" will be displayed as words when the	fuzzy algorithm	is  in
       use depending of	the display attributes configured.

       ENTER  and  all	cursor	moves  terminate the search session but	do not
       clear the list of the matching words and	the search buffer.

       The user	can then use the n/s/SPACE keys	(forward)  and	the  N/S  keys
       (backward) to navigate in the list of matching words,

       In  fuzzy  search  mode,	the s/S	keys attempt to	move the cursor	to the
       next/previous word whose	matching part forms a substring	of this	 word.
       If  no such matches exist, s/S and n/N do the same things.  To move the
       cursor to the next/previous fuzzy match,	use  the  n/N/SPACE  keys.   s
       means  next  substring  match  in  this context while n just means next

       If the user hits	the HOME or END	key during a search session  then  the
       list  of	matching words is reduced to the words starting	(respectively)
       ending with the current search pattern and  the	window	is  refreshed.
       For  those  who	consider HOME and END as non-intuitive,	the CTRL A and
       CTRL Z keys are also available in search	mode as	an alternative.	  This
       behaviour is persistent until the user hit the ESC or ENTER key.

       For example, if the search pattern in substring mode is sh and the user
       hits END, then only the words ending with  sh  will  be	added  in  the
       searched	word list and enhanced.

       Note  that  when	 a  matching word is selected, its enhanced characters
       only show one of	the multiple matching possibilities.

       When not	in a search session ESC	can be also used to clear the list  of
       matching	words and to reset the search buffer.

       In summary, here	is the meaning of the special keys in search mode:

       Keys which clear	the list of matching words.
       Key			       Meaning			  Closes
       Esc			       Cancel search		    Yes

       Keys which keep or update the list of matching words.
       Key			       Meaning			  Closes
       <-			       Previous	word		    Yes
       |^			       Previous	line		    Yes
       CTRL <-			       Start of	line		    Yes
       PgUp			       Previous	page		    Yes
       CTRL HOME, SHIFT	HOME, CTRL K   First word		    Yes

       ->			       Next word		    Yes
       |v			       Next line		    Yes
       CTRL ->			       END of line		    Yes
       PgDn			       Next pages		    Yes
       CTRL END, SHIFT END, CTRL J     Last word		    Yes

       HOME, CTRL A		       Only   keep   the  words	    No
				       starting	with the search
       END, CTRL Z		       Only keep the words end-	    No
				       ing with	the search pat-

       INS			       Tag word			    No
       DEL			       Untag word		    No

       Note  that  the	search buffer is persistent as long as the same	search
       algorithm is used and ESC has not been pressed.

   Selection and Exit
       Pressing	q gives	the possibility	to exit	without	selecting anything.

       By default, ENTER writes	the selected word to stdout when not in	search
       mode  otherwise	it exits from this mode	and does nothing more.	If you
       want to be able to select a word	even when  in  search  mode,  use  the
       -r|-auto_validate option	to change this behavior.

   Tagging (multiple selections)
       When   the   tagging   is   activated   by   using   the	 command  line
       -T|-tm|-tag|-tag_mode or	-P|-pm|-pin|-pin_mode option, then the keys t,
       T, INS and DEL can be used to tag/untag some words.  These tagged words
       will then be output on the standard output when ENTER is	pressed.

       t      Tag/untag	or Pin/unpin the word under the	cursor (toggle).

       T      Tag or pin the matching words if any.

       U      Untag or unpin the matching words	if any.

       INS    Tag or pin the word under	the cursor.

       DEL    Untag or unpin the word under the	cursor.

       A small help message can	be displayed when  hitting  ?.	 This  display
       will last for 10s or until a valid key or ESC is	pressed.

   Scroll bar
       A  scroll  bar  is displayed at the right of the	scrolling window.  Its
       appearance is meant to be classical but it has some particularities:

       * The scroll bar	is not displayed if all	the input words	 fit  on  only
	 one line.

       * Otherwise,  the scroll	bar is always displayed	except when the	-q op-
	 tion is set.  This option completely disables the scroll bar display.

       * When the scrolling window has only one	line, the scroll bar has  only
	 3 states:

	 - v when on all but the last line, indicating that you	can go down to
	   see more.

	 - ^ when on the last line.

	 - | otherwise.

       * When there is more than one line to display, /	means that the	window
	 displays the first line, \ the	last line.  | is used to fill the gap,
	 see below the different possible configurations.

	 \   \	 ^   ^	 \
	 |   |	 |   |	 /
	 /   v	 /   v

       A + can also appear in the scroll bar in	lieu of	the vertical bar, giv-
       ing  the	 relative  position  of	 the cursor line in the	bunch of input

   Terminal resizing (also see BUGS/LIMITATIONS)
       The windows is redrawn if the terminal is resized.   The	 redrawing  is
       actually	 done only 1s after the	end of the resizing to avoid artefacts
       on screen.  The cursor will remain on the current selected word but may
       be displayed at another place in	the window.

   Unicode support
       This  utility  is Unicode aware and should be able to display correctly
       any Unicode character (even double-width	ones) as long as  the  current
       encoding	is UTF-8 (UTF-8	in the output of the locale command).

       If a file with adequate permissions and the same	name as	the executable
       but prefixed with a dot is present in the current directory or  in  the
       user's  home directory, then it will be parsed as a ini file.  The val-
       ues read	from the file in the home directory will be overridden by  the
       ones read from the local	directory (if it is present).

       Missing and bad keywords	are silently skipped.

       The values read,	if valid, override the default hard-coded ones.

       If  a value is invalid an error message is shown	and the	program	termi-

       The values of the timers	must be	given in units of 1/10 of a second.

       Here is an example giving the syntax and	the names of the keywords  al-

	 ; The terminal	must have at least 8 colors and/or have	attributes like	bold
	 ; and reverse for this	to be useful
	 ; if not the following	settings will be ignored.

	 method=ansi		 ; classic | ansi (default)

	 cursor=0/2		 ; cursor attributes
	 cursor_on_tag=0/2,u	 ; cursor on tag attributes
	 shift=6,b		 ; shift symbol	attributes
	 message=0/3		 ; message (title) attributes
	 bar = 7/4,b		 ; scroll bar attributes
	 search_field =	0/6	 ; search field	attributes
	 search_text = 7,bu	 ; search text attributes
	 match_field = 1,b	 ; matching words field	attributes
	 match_text = 7,bu	 ; matching words text attributes
	 search_err_field = 1	 ; approximate search field attributes
	 search_err_text = 1,r	 ; approximate search text attributes
	 ; match_err_field = 3	 ; approximate matching	words field attributes
	 match_err_text	= 1	 ; approximate matching	words text attributes
	 ; include = b		 ; selectable color attributes
	 exclude = 4/0,u	 ; non-selectable color	attributes
	 tag = 0/5		 ; tagged (selected) attributes
	 daccess = 3,b		 ; direct access tag attributes

	 special1 = 7/4,b	 ; attributes for the special level 1
	 special2 = bu		 ; attributes for the special level 2
	 special3 = /3,b	 ; attributes for the special level 3
	 special4 = 7/4		 ; attributes for the special level 4
	 special5 = 7/2,b	 ; attributes for the special level 5

	 lines = 7		 ; default number of lines of the window

	 word_length = 1024	 ; arbitrary max length	of input words (int)
	 words = 32767		 ; arbitrary max number	of allowed input
				 ; words (int)
	 columns = 128		 ; arbitrary max number	of columns (int)

	 search	= 100		 ; search timeout in 1/10 s
	 help =	150		 ; duration of the help	message	in 1/10	s
	 window	= 7		 ; delay before	redrawing if the size of the
				 ; terminal's window change in 1/10 s
	 direct_access = 6	 ; duration allowed to add a new digit to
				 ; the direct word access number in 1/10 s

	 default_search_method = substring

       * The  method  keyword can take the two possible	values displayed above
	 and determines	if you want to use the native  method  (limited	 to  8
	 colors)  of  the  ansi	 method	(ISO 8613-6) if	your terminal supports
	 more than 8 colors.

	 The default value corresponds to ansi.

	 The attributes	syntax is [fg][/bg][,toggles] where fg and bg are num-
	 bers  representing the	foreground and background color	and toggles is
	 a strings which can contain the characters  b,	 d,  r,	 s,  u	and  i
	 standing for bold, dim, reverse, standout, underline and italic.

       * Spaces	 are  allowed  anywhere	 in  the  lines	and between them, even
	 around	the =.

       * Everything following a	; is ignored.

       * When undefined, the default limits are:

	 words	       32767
	 word_length   512
	 columns       256

       Not all options may be available, depending on the current context.

       When smenu is called and	before the first option	is evaluated, it is in
       the  Main  context.  Each option	can switch to another context in which
       only a subset of	the options is usable.

       For each	parameter described below, the contexts	in which  the  associ-
       ated  option  is	 defined  as well as the context to which it leads, if
       any, are	given.

       An option not defined in	a context will force the end  of  the  current
       context	and will be recursively	evaluated in the previous contexts un-
       til found (or not).  If not found, an error message  is	displayed  and
       smenu is	terminated.

       The contexts defined in smenu are:

	 The default context

	 After the -c|-col|-col_mode|-column parameter.

	 After the -l|-line|-line_mode parameter.

	 After the -t|-tab|-tab_mode|-tabulate_mode parameter.

	 After the -T|-tm|-tag|-tag_mode or -P|-pm|-pin|-pin_mode parameter.

	 Here is a situation that may seem confusing at	first glance.

	 Imagine the only parameter command line parameter is -cols_select.

	 Since this is a parameter of an option	which is not valid when	not in
	 the Columns context, it should	have raised  an	 error	but  it	 still
	 seems to be accepted.

	 The  trick is:	when not in column mode	-cols_select is	indeed not ac-
	 cepted	but its	prefix (-col) is valid.	 The options are  thus	under-
	 stood	as:  -col -s_select.  The same mechanism occurs	again as -s is
	 also valid in column mode so the final	understanding of  the  command
	 line is: -col -s _select.

	 In  such a case, the user can set the environment variable CTXOPT_DE-
	 BUG which any non-empty content.  When	run again the following	output
	 will appear on	the standard error:

       CTXOPT_DEBUG: Parameter:	-cols_select. Evaluation context: Main.
       CTXOPT_DEBUG: Found a valid parameter as	a prefix of -cols_select: -col.
       CTXOPT_DEBUG: Parameter:	-col. Evaluation context: Main.
       CTXOPT_DEBUG: Switch to context Columns.
       CTXOPT_DEBUG: Parameter:	-s_select. Evaluation context: Columns.
       CTXOPT_DEBUG: Found a valid parameter as	a prefix of -s_select: -s.
       CTXOPT_DEBUG: Parameter:	-s. Evaluation context:	Columns.
       CTXOPT_DEBUG: Argument: _select.

       The command line: -col -cols_select 1 solves the	issue in this case and
       indicates that only the first column should be selectable.  Note,  how-
       ever, that at least one argument	for -cols_select is now	required:

       CTXOPT_DEBUG: Parameter:	-col. Evaluation context: Main.
       CTXOPT_DEBUG: Switch to context Columns.
       CTXOPT_DEBUG: Parameter:	-cols_select. Evaluation context: Columns.
       CTXOPT_DEBUG: Argument: 1.

       The -h|-help and	-?|-u|-usage options now display the help and synopsis
       of the available	options	in the current context.

	 smenu -col -u will only show the usage	in the Columns context

       The contexts contain all	the non-context-changing options so, in	 prac-
       tice,  the usage	should be intuitive.  You may nevertheless have	to ad-
       just some scripts using the old smenu releases as I did in the lvm_menu

       Some of the advantages of this new system of options are:

       * Long parameter	names are allowed One dash is enough, but two are also
	 allowed for compatibility reasons.

       * An option can be referenced by	any number of parameters with short or
	 long names.

       * Auto checking of missing mandatory options, duplicated	option,...

       * Only options usable in	the current context are	allowed.

       This   option   management  system  is  explained  in  more  detail  at

       The description of each command line parameter is as follows:

	      (Allowed in all contexts.)

	      Display a	context	specific help messages and exits.

	      (Allowed in the "Main" context.)

	      Display a	long (non context specific) help messages and exits.

	      (Allowed in all contexts.)

	      Displays a short help message and	exits.

	      (Allowed in the "Main" context.)

	      The .smenu files in the user's home directory and	in the current
	      directory, if present, will be ignored when this option is used.

       -n|-lines|-height [height]
	      (Allowed in all contexts.)

	      Gives  the  maximum  number  of lines in the scrolling selection

	      If -n|-lines|-height is not present the number of	lines will  be
	      set to 5.

	      If  -n|-lines|-height  is	 present  without  argument,  then the
	      height of	the terminal will be used to determine the  number  of
	      lines.  This remains true	even if	the terminal is	resized.

	      If  -n|-lines|-height is present with a numerical	argument, this
	      value will be used to determine the number of lines.

       -i|-in|-inc|-incl|-include... regex
	      (Allowed in all contexts.)

	      Sets the include filter to match the selectable words.  All  the
	      other words will become implicitly non-selectable	(excluded)

	      -i|-in|-inc|-incl|-include can be	used more than once with cumu-
	      lative effect.

	      \u and \U	sequences can also be used in the regexp.

       -e|-ex|-exc|-excl|-exclude... regex
	      (Allowed in all contexts.)

	      Sets the exclude filter to match the non-selectable words.   All
	      the  other  selectable  words  will become implicitly selectable

	      -e|-ex|-exc|-excl|-exclude can be	used more than once with cumu-
	      lative  effect.	This filter has	a higher priority than the in-
	      clude filter.

	      The  regex  selections  made  using   -i|-in|-inc|-incl|-include
	      and/or  -e|-ex|-exc|-excl|-exclude  are done before the possible
	      words   alterations   made    by	  -I|-si|-subst_included    or
	      -E|-se|-subst_excluded (see below).

	      \u and \U	sequences can also be used in the regexp.

       -m|-msg|-message|-title message
	      (Allowed in all contexts.)

	      Displays a message (title) above the window.  If the current lo-
	      cale is not UTF-8, then all UTF-8	characters will	be replaced by
	      the substitution character.

	      \u and \U	sequences can be used in the message.

	      Note  that the message will be truncated if it does not fit on a
	      terminal line.

       -a|-attr|-attributes prefix:attr...
	      (Allowed in all contexts.)

	      Sets the display attributes of the elements  displayed  and  the

	      At least one attribute prefixed attribute	must be	given.

	      prefix can take the following values:

	      i	     included words.

	      e	     excluded words.

	      c	     cursor.

	      b	     scroll bar.

	      s	     shift indicator.

	      m	     message (title).

	      t	     tagged words.

	      ct     cursor on tagged words.

	      sf     search field.

	      st     search text.

	      sfe    approximate search	field with error.

	      ste    approximate search	text with error.

	      mf     matching words field.

	      mt     matching words text.

	      mfe    matching words field with error.

	      mte    matching words text with error.

	      da     direct access tag.

	      If  more	than one attribute is given, they must be separated by

	      Example: -attr i:/5 e:4,br b:7/3,rb c:7/2,b

	      See the the -1|-l1|-level1 option	below for the  description  of
	      the attributes syntax after the colon and	an example.

       -1|-l1|-level1 regex [attr]

       -2|-l2|-level2 regex [attr]

       -3|-l3|-level3 regex [attr]

       -4|-l4|-level4 regex [attr]

       -5|-l5|-level5 regex [attr]
	      (Allowed in all contexts.)

	      Allows one to give a special display color to up to 5 classes of
	      words specified by regular expressions.  They are	called special
	      levels.  Only selectable words will be considered.

	      By default, the 5	special	levels have their foreground color set
	      to red, green, brown/yellow, purple and cyan.  All these	colors
	      also  can	 be  set  or modified permanently in the configuration
	      files.  See the example file above for an	example.

	      The optional second argument (attr) can be used to override  the
	      default  or  configured attributes of each class.	 Its syntax is
	      the same as the one used in the configuration file:
	      [fg][/bg][,{b|d|r|s|u|i}]	| [{b|d|r|s|u|i}]

	      Examples of possible attributes are:
		2/0,bu green on	black bold underline
		/2     green background
		5      text in purple
		rb     reverse bold

	      \u and \U	sequences can be used in the pattern.

       -z|-zap|-zap_glyphs bytes
	      (Allowed in all contexts.)

	      Initializes a set	of UTF-8 characters to be ignored when reading
	      words from stdin or a file.

	      Example:	The argument '\u0d\ue282ac,' means: ignore all commas,
	      Euro signs and carriage  return  characters  when	 reading  from
	      stdin or a file.

	      As shown above \u	and \U sequences can be	used in	the bytes set.

       -T|-tm|-tag|-tag_mode [delim]
	      (Allowed	in the following contexts: "Main", "Columns", "Lines",
	      and "Tabulations", switches to the "Tagging" context.)

	      Enables multiple selections or tag mode.	In this	mode,  several
	      selectable words can be selected without leaving the program.

	      The  current word	can be automatically tagged when the ENTER key
	      is  pressed  to  complete	  the	selection   process   if   the
	      -p|-at|-auto_tag	option	is  also  set  or  if no word has been

	      All the tagged words (and	possibly the world under  the  cursor)
	      will  be sent to stdout separated	by the optional	argument given
	      after the	option -T|-tm|-tag|-tag_mode.

	      Note than	this separator can have	more than one character,  con-
	      tain  UTF-8 characters (in native	or \u or \U form) and can even
	      contain control character	as in $'\n'.

	      A	space is used as the default separator if none is given.

	      Caution: To get exactly the same behavior	as in  version	0.9.11
	      and earlier, you must also use the -p|-at|-auto_tag option.

       -P|-pm|-pin|-pin_mode [delim]
	      (Allowed	in the following contexts: "Main", "Columns", "Lines",
	      and "Tabulations", switches to the "Tagging" context.)

	      Works	 like	   -T|-tm|-tag|-tag_mode      but,	unlike
	      -T|-tm|-tag|-tag_mode,  the output depends on the	order in which
	      the words	were tagged.  In other words, the  first  tagged  word
	      comes  first  in	the output, the	second tagged word comes next,
	      and so on.

	      (Allowed in the "Tagging"	context.)

	      This   option   modifies	 the   default	 behavior    of	   the
	      -T|-tm|-tag|-tag_mode and	-P|-pm|-pin|-pin_mode options.	An un-
	      tagged word under	the cursor will	be automatically  tagged  when
	      ENTER is pressed.

       -N|-number>da_ctx... [regex]
	      (Allowed	in  the	following contexts: "Main", "Columns", "Lines"
	      and "Tabulation".)

	      This option allows you to	number selectable words	that  match  a
	      specific	regular	expression.  These numbers are numbered	from 1
	      and allow	direct access to the words.

	      To use this functionality, the user must enter the number	 which
	      corresponds to the desired entry digit per digit.

	      Each new digit must be added in a	time frame of 1/2 seconds (per
	      default) otherwise the number is considered complete and a newly
	      entered  digit  will start a new number.	If the number does not
	      exists, then the cursor is restored to it's initial position.

	      The sub-options of the -D|-data|-options option described	 below
	      can change the way -N|-number sets and formats the numbers.

	      This  option accepts more	than one argument and can be used mul-
	      tiple times with cumulative effects.

	      -N|-number,  -U|-unnumber	 and  -F|-en|-embedded_number  can  be

       -U|-unnumber>da_ctx... [regex]
	      (Allowed	in  the	following contexts: "Main", "Columns", "Lines"
	      and "Tabulation".)

	      This option allows one to	unnumber words.	  If  placed  after  a
	      previous	-N|-number,  it	can be used to remove the numbering of
	      selected words.  If placed before, the word which	doesn't	 match
	      its regular expression will be numbered by default.

	      This mechanism is	similar	to to the inclusion/exclusion of words
	      by -i|-in|-inc|-incl|-include and	-e|-ex|-exc|-excl|-exclude.

	      This option accepts more than one	argument and can be used  mul-
	      tiple times with cumulative effects.

	      -U|-unnumber,  -N|-number	 and  -F|-en|-embedded_number  can  be

	      (Allowed in the following	contexts: "Main",  "Columns",  "Lines"
	      and "Tabulation".)

	      This  option  is	similar	 to -N|-number but does	not generate a
	      continuous flow of numbers but extracts them from	the  word  it-

	      With  this  option you can take full control of the numbering of
	      the displayed word.  Note	that the numbering does	not need to be

	      The  resulting  word  after the extraction of the	number must be
	      non empty.

	      Some sub-option are required, see	the  -D|-data|-options	option
	      described	below.

	      Notice  that for this option to work correctly, all the embedded
	      numbers must have	the same number	of digits.   To	 get  that,  a
	      preprocessing  may  be  necessary	on the words before using this

	      -F|-en|-embedded_number,	-N|-number  and	 -U|-unnumber  can  be

       -D|-data|-options [parameter...]
	      (Allowed	in  the	Following contexts: "Main", "Columns", "Lines"
	      and "Tabulations".)

	      This option allows one to	change the default  behaviour  of  the
	      -N|-number, -U|-unnumber and -F|-en|-embedded_number options.

	      Its  optional parameters are called sub-options and must respect
	      the format x:y where x can be:

	      l	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here y is the UTF-8 character (in	native	or  \u	or  \U
		     form)  to print before the	number.	 The default is	a sin-
		     gle space.

	      r	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here y is the UTF-8 character (in	native	or  \u	or  \U
		     form) to print after the number.  The default is ).

	      a	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here  y  is 'left'	(or one	of its prefixes) if the	number
		     must be left aligned, or 'right' (or one of its prefixes)
		     if	it must	be right aligned.  The default is right.

	      p	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here  y is	'included' or 'all' for	the initial padding of
		     the non numbered words.   The  keyword  'included'	 means
		     that  only	included word will be padded while 'all' means
		     pad all words.

		     The default is all. These keywords	can be abbreviated.

	      w	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here y is the width of the	number between	1  and	5  in-

	      f	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here y controls if	the numbering must follow the last ex-
		     tracted number (defaults to yes) or if it must remain in-

		     The  possible  values  are	yes and	no but can be abbrevi-

	      m	(-F|-en|-embedded_number option)
		     Here y controls if	the numbering of word with missing em-
		     bedded numbers must be done or not	(defaults to yes).

		     When  this	 sub-option  is	set to no, the s and f sub-op-
		     tions are ignored.

		     The possible values are yes and no	but  can  be  abbrevi-

	      h	(-F|-en|-embedded_number option)
		     Tells  what  to do	with the characters present before the
		     embedded number if	any.

		     The allowed directives are: 'trim'	which discads them  if
		     they  form	an empty word (only made of spaces and tabula-
		     tions), 'cut' which  unconditionally  discards  them  and
		     'keep'  which places them at the beginning	of the result-
		     ing word.

		     The default value for this	 directive  is	'keep',	 these
		     keywords can be abbeviated.

	      o	(-F|-en|-embedded_number option)
		     Here  y is	the offset of the first	multibyte character of
		     the number	to extract from	the word (defaults to 0).

		     If	this offset if immediately followed by	the  character
		     '+',  then	 the parser will look for the first number (if
		     any) after	the given offset instead of using its absolute
		     value to extract the number.

		     Note  that	when the '+' is	used, it is necessary that the
		     length of all the numbers to extract have the  same  size
		     as	the algorithm looks for	a digit	to identify the	begin-
		     ning of the number	to extract.   Hence,  for  example,  1
		     should appear as 01 in the	input is n is set to 2.

	      n	(-F|-en|-embedded_number option)
		     Here  y  is the number of multibyte characters to extract
		     from the word starting at the offset given	by the o  sub-

		     Example:  n:2  will extract and use the first 2 digits of
		     each words	from the input stream to number	them.

	      i	(-F|-en|-embedded_number option)
		     Here y is number of multibyte characters to ignore	 after
		     the extracted number

	      d	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here  y is	a multibyte separator.	When present, this di-
		     rective instructs smenu to	output the  selected  numbered
		     word(s)  prefixed	by  its(their) direct access number(s)
		     and the given separator.

		     Only the numbered word(s) will be prefixed.

		     d stands for decorate.

		     This directive can	be  useful  when  you  want  to	 post-
		     process the output	according to its direct	access number.

	      s	(-F|-en|-embedded_number, -N|-number and -U|-unnumber options)
		     Here  y  is the direct access number that will be set for
		     the first numbered	word.  Its value is 1  by  default,  a
		     value of 0	is possible.

	      Example: -data r:\> l:\< a:l d:_

	      To number	all words with the default parameters, use the syntax:
	      "-N ." which is a	shortcut for: "-N . -D l:' ' r:')' a:r p:a"

	      The padding sub-option specifies whether	spaces	must  also  be
	      added in front of	excluded words or not to improve compactness.

	      When  the	 w sub-option is not given the width of	the numbers is
	      determined automatically but if -F|-en|-embedded_number  is  set
	      and  the	value  of the n	sub-option is given then this value is

	      (Allowed in all contexts.)

	      Replaces all non-printable characters by a blank.	 If  this  re-
	      sults in a blank word, it	will be	potentially deleted.

	      (Allowed in all contexts.)

	      Sets  the	 substitution  character for non-printable characters.
	      When this	parameter is not used, the default substitution	 char-
	      acter is a single	dot.

	      (Allowed in all contexts.)

	      Centers the display if possible.

	      (Allowed in all contexts.)

	      Tells the	program	to clean up the	display	before quitting	by re-
	      moving the selection window after	use as if it  was  never  dis-

	      (Allowed	in  the	"Main" and "Tagging" contexts, switches	to the
	      "Columns"	context.)

	      Sets the column mode.  In	this mode the lines of	words  do  not
	      wrap  when  the right border of the terminal is reached but only
	      when a special character is read.	 Some words will not  be  dis-
	      played without an	horizontal scrolling.

	      If  such	a  scrolling is	needed,	some indications may appear on
	      the left and right edge of the window to help the	user to	 reach
	      the unseen words.

	      In  this	mode,  the width of each column	is minimal to keep the
	      maximum information visible on the terminal.

	      (Allowed in the "Main" and "Tagging" contexts, switches  to  the
	      "Lines" context.)

	      Sets  the	 line  mode.  This mode	is the same as column mode but
	      without any column alignment.

       -t|-tab|-tab_mode|-tabulate_mode	[cols]
	      (Allowed in the "Main" and "Tagging" contexts, switches  to  the
	      "Tabulations" context.)

	      This  option sets	the tabulation mode and, if a number is	speci-
	      fied, attempts to	set the	number of displayed  columns  to  that

	      In  this	mode,  embedded	line separators	are ignored if not ex-
	      plicitly set with	 -L|-ls|-ld|-line-delimiters|-line_separators.
	      The  options  -A|-fc|-first_column  and  -Z|-lc|-last_column can
	      nevertheless be used to force words to appear in the first  (re-
	      spectively last) position	of the displayed line.

	      Note  that the number of requested columns will be automatically
	      reduced if a word	does not fit in	the calculated column size.

	      In this mode each	column has the same width.

	      (Allowed in the "Columns"	and "Tabulations" contexts.)

	      When -t|-tab|-tab_mode|-tabulate_mode is followed	by a number of
	      columns,	the default is to compact the columns so that they use
	      the less terminal	width as possible.  This option	 enlarges  the
	      columns in order to use the whole	terminal width.

	      When  in	column	mode, -w|-wide|-wide_mode can be used to force
	      all the columns to have the same size (the  largest  one).   See
	      option -c|-col|-col_mode|-column below.

	      Note  that  the  column's	 size is only calculated once when the
	      words are	displayed for the first	time.  A terminal resize  will
	      not update this value.  This choice enables a faster display.

       -C|-cs|-cols|-cols_select... [i|e]selectors...
	      (Allowed in the "Columns"	context.)

	      I	and E have the same meaning as i and e.

	      In column	mode, this option is useful to restrict	the selections
	      to a subset of all columns.  Either by including (nothing	or  i)
	      or by excluding (e) them.

	      Columns can be designated	by their number	(1 based) or by	a reg-
	      ular expression enclosed in delimiter made  from	any  non-blank
	      ASCII character excluding	the comma.

	      Range  of	 columns (number or RE)	can be given by	separated then
	      with a dash.

	      Multiple selectors can be	regrouped in one argument using	commas
	      to  separate them.  This option also accepts multiple arguments,
	      each of them being a selector.

	      A	selection by regular expressions means that a column  contain-
	      ing a word matching any of these expressions will	be included or
	      excluded depending on the	letter given after the option  or  be-
	      fore the selector	if there is more than one argument.

	      Regular expressions and column numbers can be freely mixed.

	      Regular	  expression	in    -C|-cs|-cols|-cols_select	   and
	      -R|-rs|-rows|-rows_select	can contain  UTF-8  characters	either
	      directly or by using the \u or \U	notation.

	      Example  of columns selection: -Ci2,3,/X./,5-7 forces the	cursor
	      to only navigate in columns 2,3,5,6 and 7	and those containing a
	      two  characters  word starting with 'X'.	If e was used in place
	      of i, all	the columns would have been selected except  the  col-
	      umns  2,3,5,6,7  and those matching the extended regular expres-
	      sion 'X.'.

	      Spaces are allowed in the	selection  string  if  they  are  pro-

	      Other  example where multiple selectors are used as multiple ar-
	      guments: ps | smenu -col -cols e/TTY/ e/CMD/ e3

       -R|-rs|-rows|-rows_select... selectors...
	      (Allowed in the "Columns"	and "Lines" contexts.)

	      Similar to -C|-cs|-cols|-cols_select but for the rows.

	      -C|-cs|-cols|-cols_select	and -R|-rs|-rows|-rows_select  can  be
	      used more	than once in a cumulative manner:

	      The  selection  mode (selection or de-selection) is given	by the
	      first occurrence of the options, the other occurrences will only
	      update the selected or de-selected ranges.

	      Once  a  column  or a row	has been excluded, it cannot be	re-in-

       -A|-fc|-first_column regex
	      (Allowed in the following	contexts: "Columns", "Lines" and "Tab-

	      In  column mode, forces all words	matching the given regular ex-
	      pression to be the first one in the displayed line.  If you want
	      to  only rely on this method to build the	lines, just specify an
	      empty   regex   to   set	 the   end-of-line   separator	  with
	      -L|-ls|-ld|-line-delimiters|-line_separators '')

	      \u  and  \U  sequences  can  also	 be  used  in the regexp after

       -Z|-lc|-last_column regex
	      (Allowed in the following	contexts: "Columns", "Lines" and "Tab-

	      Similar  to  -A|-fc|-first_column	 but forces the	word to	be the
	      latest of	its line.  The same trick with -L|-ls|-ld|-line-delim-
	      iters|-line_separators can also be used.

	      \u  and  \U  sequences  can  also	 be  used  in the regexp after

       -g|-gutter [string]
	      (Allowed in the "Columns"	and "Tabulations" contexts.)

	      Replaces the blank after each words in column or tabular mode by
	      a	column separator.

	      This separator is	extracted from the string argument and each of
	      its (multibyte) character	is used	one after the  other  to  fill
	      the gutter.

	      If  there	 are more columns that gutter characters then the last
	      character	is used	for the	remaining columns.

	      When not given, the separator defaults to	a vertical bar | (or a
	      full height vertical bar if the locale is	set to UTF-8).

	      Each  character  can  be given in	normal or \u or	\U form	in the
	      string argument.

	      Example: "|- " will allow	one to separate	the first two  columns
	      with  '|',  then	'-' will be used and ' ' will separate the re-
	      maining columns if any.

	      (Allowed in all contexts.)

	      By default, the spaces surrounding the  output  string  will  be
	      deleted.	This option forces them	to be retained.

       -W|-ws|-wd|-word_delimiters|-word_separators bytes
	      (Allowed in all contexts.)

	      This  option can be used to specify the characters (or multibyte
	      sequences) which will be used to delimit the input words.

	      Multibyte	sequences (UTF-8) can be natives  of  using  the  same
	      ASCII representation used	in words (a leading \u or \U following
	      by up to 8 hexadecimal characters	for the	former and 6 hexadeci-
	      mal characters for the latter).

	      Non-printable  characters	in arguments should be given using the
	      standard $'' representation.  $'\t' stands  for  the  tabulation
	      character	for example.

	      The default delimiters are: SPACE, $'\t' and $'\n'.

       -L|-ls|-ld|-line-delimiters|-line_separators bytes
	      (Allowed in all contexts.)

	      This  option can be used to specify the characters (or multibyte
	      sequences) which will be used to delimit the lines in the	 input

	      Multibyte	 sequences  (UTF-8)  can  be natives of	using the same
	      ASCII representation used	in words (a leading \u or \U following
	      by up to 8 hexadecimal characters	for the	former and 6 hexadeci-
	      mal characters for the latter).

	      Non-printable characters in arguments should be given using  the
	      standard $'' representation.  $'\n' stands for the newline char-
	      acter for	example.

	      The default delimiter is:	$'\n'.

	      This option is only useful when the -c|-col|-col_mode|-column or
	      -l option	is also	set.

	      The    characters	   (or	  multibyte   sequences)   passed   to
	      -L|-ls|-ld|-line-delimiters|-line_separators  are	 automatically
	      added  to	the list of word delimiters as if -W|-ws|-wd|-word_de-
	      limiters|-word_separators	was also used.

	      \u and \U	sequences can also be used here.

	      (Allowed in all contexts.)

	      Prevents the display of the scroll bar.

       -S|-subst... /regex/repl/[g][v][s]
	      (Allowed in all contexts.)

	      Post-processes the words by applying a regular expression	 based
	      substitution.  The argument must be formatted as in the sed edi-

	      This option can be used more than	once.  Each substitution  will
	      be  applied  in  sequence	 on  each  word.  This sequence	can be
	      stopped if a stop	flag is	encountered.


	      *	The optional trailing g	(for global) means that	 all  matching
		occurrences shall be replaced and not only the first one.

	      *	The  optional  trailing	 v (for	visual)	means that the altered
		words will only	be used	for display and	search.	 The modifica-
		tions will not be reflected in the returned word.

	      *	The  optional trailing s (for stop) means that no more substi-
		tution will be allowed on this word even if another  -S|-subst
		is used.

	      *	The  optional  trailing	 i  (for  ignore  case)	means that the
		string search operation	should ignore the case for  this  pat-

		Small  example:	 R=$(echo a b c	| smenu	-S /b/B/) will display
		"a B c"	and R will  contain  B	if  B  is  selected  meanwhile
		R=$(echo  a  b	c  | smenu -S /b/B/v) will display the same as
		above but R will contain the original word b if	B is selected.
		In both	cases, only the	word B will be searchable and not b.

       -I|-si|-subst_included... /regex/repl/[g][v][s]
	      (Allowed in all contexts.)

	      Post-processes  the  selectable  words by	applying a regular ex-
	      pression based substitution (see -S|-subst for details).

       -E|-se|-subst_excluded... /regex/repl/[g][v][s]
	      (Allowed in all contexts.)

	      Post-processes the excluded (or non-selectable) words by	apply-
	      ing  a  regular expression based substitution (see -S|-subst for

	      The    /	  separator    that	-I|-si|-subst_included	   and
	      -E|-se|-subst_excluded are using above can be substituted	by any
	      other character except SPACE, \t,	\f, \n,	\r and \v.

	      In the three previous options, regex is a	POSIX Extended Regular
	      Expression.  For details,	please refer to	the regex manual page.

	      Additionally \u and \U sequences can also	be used	in the regexp.

       If   a	post-processing	  action  (-S|-subst,  -I|-si|-subst_included,
       -E|-se|-subst_excluded) results in an empty (length 0)  word,  then  we
       have two	cases:

	      in column	mode:
		     Substitutions involving empty words can lead to misalign-
		     ments, so it is necessary to prohibit them	and  terminate
		     the  program.   These  substitutions have to be made with
		     other tools before	using this utility.

		     The word is simply	removed.

       -/|-search_method search_method
	      (Allowed in all contexts.)

	      Affects the '/' key to a search method.  By default '/'  is  af-
	      fected  to  'fuzzy'  but the argument can	be any prefix of 'pre-
	      fix', 'substring'	or 'fuzzy'.

       -s|-sp|-start|-start_pattern pattern
	      (Allowed in all contexts.)

	      Place the	cursor on the first word corresponding to  the	speci-
	      fied pattern.

	      pattern can be:

	      *	A  # immediately followed by a number giving the initial posi-
		tion of	the cursor (counting from 0).

		If the word at this position is	excluded, then the first  pre-
		vious  non  excluded  word is selected if it exists, otherwise
		the first non excluded word is selected.

		If this	number if greater than the number of words, the	cursor
		will be	set on the latest selectable position.

	      *	A single # or the string #last to set the initial cursor posi-
		tion to	the latest selectable word position.

	      *	A string starting with a / indicating that we want the	cursor
		to be set to the first word matching the given regular expres-

	      *	A prefix string	indicating that	we want	the cursor to  be  set
		on the first word matching the string given (a will match Can-
		cel by example).

	      Warning, when searching for a prefix or  a  regular  expression,
	      smenu only looks for them	after an eventual modification,	so for
	      example, the command: smenu -I/c/x/ -s/c <<< "a  b  c  d"	 won't
	      find  c and put the cursor on a but smenu	-I/c/x/v -s/c <<< "a b
	      c	d" will	find it	and put	the cursor on the x substituting the c
	      on screen	only

	      \u and \U	sequences can be used in the pattern.

       -x|-tmout|-timeout type [word] delay

       -X|-htmout|-hidden_timeout type [word] delay
	      (Allowed in all contexts.)

	      Sets a timeout.  Three types of timeout are possible:

	      current:	At  the	 timeout, the word under the cursor and/or the
			tagged words are sent to the standard  output  if  the
			ENTER key has been pressed

	      quit:	At  the	 timeout,  nothing is selected as if the q key
			has been pressed

	      word:	At the timeout,	the word given after the type  is  se-
			lected.	  Note	that this word doesn't need to be part
			of the words coming from the standard input.

	      Each type	can be be shortened as	a  prefix  of  its  full  name
	      ("cur" for "current" of "q" for "quit" per example).

	      The  delay must be set in	seconds	and cannot be above 99999 sec-

	      The remaining time (in seconds) is added at the end of the  mes-
	      sage displayed above the selection window	and is updated in real
	      time each	second.

	      Any key except ENTER, q, Q and ^C	resets the timer to  its  ini-
	      tial value.

	      The     -X|-htmout|-hidden_timeout     version	 works	  like
	      -x|-tmout|-timeout but no	periodic remaining  messages  is  dis-
	      played above the selection window.

	      (Allowed in all contexts.)

	      Enables ENTER to validate	the selection even in search mode.

	      (Allowed in all contexts.)

	      By default, when searching, an alarm is produced by the terminal
	      when the user enters a character or makes	a move which  lead  to
	      no  result  or  to  an error condition.  This argument make this
	      beep visual by briefly showing the cursor.

       If tabulators (\t) are embedded in the input, there is no  way  to  re-
       place  them  with  the original number of spaces.  In this case use an-
       other filter (like expand) to pre-process the data.

       Simple Yes/No/Cancel request with "No" as default choice:

       In bash:
	 read R	<<< $(echo "Yes	No Cancel" \
		      |	smenu  -d -m "Please choose:" -s /N)

	 R=$(echo "Yes No Cancel" \
	     | smenu -d	-m "Please choose:" -s /N)

       In ksh:
	 print "Yes No Cancel"		      \
	 | smenu -d -m "Please choose:"	-s /N \
	 | read	R

       Get a 3 columns report about VM statistics for the current  process  in
       bash/ksh	on Linux:

       R=$(grep	Vm /proc/$$/status | expand | smenu -b -W$'\n' -t3 -g -d)

       Create  a  one column selection window containing the list of the first
       20 LVM physical volumes.	 At the	end,  the  selection  window  will  be
       erased.	This example is	written	in ksh).

       pvs -a -o pv_name --noheadings		      \
       | smenu -m "PV list" -n20 -t1 -d	-s //dev/root \
       | read R

       The  display  will have a look similar to the following with the	cursor
       set on the word /dev/root:

       PV list
       /dev/md126	    \
       /dev/md127	    |
       /dev/root	    | <- cursor	here.
       /dev/sda2	    |
       /dev/sdb2	    |
       /dev/sdc1	    |
       /dev/sdc2	    |
       /dev/system/homevol  /

   4 (advanced)
       Imagine a file named sample.mnu with the	following content:

       "1 First	Entry" "3 Third	entry"
       "2 Second entry"	"4 Fourth entry"
       @@@ "5 Fifth entry"
       "0 Exit menu"

       Then this quite esoteric	 command  will	render	it  (centered  on  the
       screen) as:

       |	    Test menu		  |
       |				  |
       | 1) First Entry	  3) Third entry  |
       | 2) Second entry  4) Fourth entry |
       |		  5) Fifth entry  |
       |				  |
       | 0) Exit menu			  |

       with the	cursor on Quit and only	the numbers and	"Quit" selectable.

       R=$(smenu -q -d -s/Exit -M -n 30	-c	  \
		 -e "@+" -E '/@+/ /'		  \
		 -F -D n:1 i:1			  \
		 -m "Test menu"	< sample.mnu)

       The selected entry will be available in R

       Try to understand it as an exercise.

       NO_COLOR	      force a monochrome terminal when set.
       CTXOPT_DEBUG   put the option parser in debug mode.

       Some  terminal emulators, those notably based on	VTE version later than
       0.35 (see, have a new  fea-
       ture  that  gives them the possibility to wrap/unwrap already displayed
       lines when resizing the window.

       As far as I known, there	is no terminfo entry to	disable	that.

       On these	types of terminals, the	automatic re-display of	the output  of
       smenu  will be disturbed	and some artifacts may appear on the screen if
       the terminal window is resized.

       (C) 2015-present, Pierre	Gentile	(



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