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glob(n)			     Tcl Built-In Commands		       glob(n)


       glob - Return names of files that match patterns

       glob ?switches? pattern ?pattern	...?

       This  command performs file name	"globbing" in a	fashion	similar	to the
       csh shell.  It returns a	list of	the files whose	names match any	of the
       pattern	arguments.   No	particular order is guaranteed in the list, so
       if a sorted list	is required the	caller should use lsort.

       If the initial arguments	to glob	start with - then they are treated  as
       switches.  The following	switches are currently supported:

       -directory directory
	      Search  for files	which match the	given patterns starting	in the
	      given directory.	This allows  searching	of  directories	 whose
	      name  contains  glob-sensitive  characters  without  the need to
	      quote such characters explicitly.	 This option may not  be  used
	      in  conjunction with -path, which	is used	to allow searching for
	      complete file paths whose	names may contain glob-sensitive char-

       -join  The  remaining  pattern  arguments, after	option processing, are
	      treated as a single pattern obtained by  joining	the  arguments
	      with directory separators.

	      Allows an	empty list to be returned without error;  without this
	      switch an	error is returned if the result	list would be empty.

       -path pathPrefix
	      Search for files with the	given pathPrefix where the rest	of the
	      name  matches  the  given	 patterns.   This allows searching for
	      files with names similar to a given file (as opposed to a	direc-
	      tory)  even  when	 the  names contain glob-sensitive characters.
	      This option may not be used in conjunction with -directory.  For
	      example, to find all files with the same root name as $path, but
	      differing	extensions, you	should use glob	-path  [file  rootname
	      $path]  .* which will work even if $path contains	numerous glob-
	      sensitive	characters.

       -tails Only return the part of each file	found which follows  the  last
	      directory	 named	in any -directory or -path path	specification.
	      Thus glob	-tails -directory $dir *  is  equivalent  to  set  pwd
	      [pwd]  ;	cd  $dir ; glob	*; cd $pwd.  For -path specifications,
	      the returned names will include the last path segment,  so  glob
	      -tails  -path  [file  rootname  ~/foo.tex] .*  will return paths
	      like foo.aux foo.bib foo.tex etc.

       -types typeList
	      Only list	files or directories which match typeList,  where  the
	      items  in	 the  list have	two forms.  The	first form is like the
	      -type option of the Unix find command: b (block special file), c
	      (character special file),	d (directory), f (plain	file), l (sym-
	      bolic link), p (named pipe), or s	(socket), where	multiple types
	      may  be specified	in the list.  Glob will	return all files which
	      match at least one of the	types given.  Note that	symbolic links
	      will  be returned	both if	-types l is given, or if the target of
	      a	link matches the requested type.  So, a	link  to  a  directory
	      will be returned if -types d was specified.

	      The  second  form	specifies types	where all the types given must
	      match.  These are	r, w, x	as  file  permissions,	and  readonly,
	      hidden  as  special  permission  cases.  On the Macintosh, MacOS
	      types and	creators are also supported, where any item  which  is
	      four  characters long is assumed to be a MacOS type (e.g.	TEXT).
	      Items which are of the form {macintosh type XXXX}	or  {macintosh
	      creator XXXX} will match types or	creators respectively.	Unrec-
	      ognized types, or	specifications of  multiple  MacOS  types/cre-
	      ators will signal	an error.

	      The  two	forms  may be mixed, so	-types {d f r w} will find all
	      regular files OR directories that	have both read AND write  per-
	      missions.	 The following are equivalent:
			    glob -type d *
			    glob */
	      except  that  the	first case doesn't return the trailing "/" and
	      is more platform independent.

       --     Marks the	end of switches.  The argument following this one will
	      be treated as a pattern even if it starts	with a -.

       The  pattern arguments may contain any of the following special charac-

       ?	 Matches any single character.

       *	 Matches any sequence of zero or more characters.

       [chars]	 Matches any single character in chars.	 If chars  contains  a
		 sequence  of  the form	a-b then any character between a and b
		 (inclusive) will match.

       \x	 Matches the character x.

       {a,b,...} Matches any of	the strings a, b, etc.

       On Unix,	as with	csh, a "."  at the beginning of	a file's name or  just
       after  a	 "/" must be matched explicitly	or with	a {} construct,	unless
       the -types hidden flag is given (since  "."   at	 the  beginning	 of  a
       file's  name  indicates	that it	is hidden).  On	other platforms, files
       beginning with a	"."  are handled no differently	to any others,	except
       the special directories "."  and	".."  which must be matched explicitly
       (this is	to avoid a recursive pattern like "glob	-join *	*  *  *"  from
       recursing up the	directory hierarchy as well as down). In addition, all
       "/" characters must be matched explicitly.

       If the first character in a pattern is "~" then it refers to  the  home
       directory  for the user whose name follows the "~".  If the "~" is fol-
       lowed immediately by "/"	then the value of the HOME  environment	 vari-
       able is used.

       The glob	command	differs	from csh globbing in two ways.	First, it does
       not sort	its result list	(use the lsort command if you  want  the  list
       sorted).	  Second,  glob	 only returns the names	of files that actually
       exist;  in csh no check for existence is	made unless a pattern contains
       a ?, *, or [] construct.

       When the	glob command returns relative paths whose filenames start with
       a tilde "~" (for	example	through	glob * or glob	-tails,	 the  returned
       list will not quote the tilde with "./".	 This means care must be taken
       if those	names are later	to be used with	file join, to avoid them being
       interpreted  as	absolute  paths	pointing to a given user's home	direc-

       Windows For Windows UNC names, the servername and sharename  components
       of  the path may	not contain ?, *, or []	constructs.  On	Windows	NT, if
       pattern is of the form "~username@domain", it refers to the home	direc-
       tory  of	the user whose account information resides on the specified NT
       domain server.  Otherwise, user account information  is	obtained  from
       the  local  computer.  On Windows 95 and	98, glob accepts patterns like
       ".../" and "..../" for successively higher up parent directories.

       Since the backslash character has a special meaning to  the  glob  com-
       mand,  glob patterns containing Windows style path separators need spe-
       cial care. The pattern C:\\foo\\* is interpreted	as C:\foo\*  where  \f
       will  match the single character	f and \* will match the	single charac-
       ter * and will not be interpreted as a wildcard character. One solution
       to  this	problem	is to use the Unix style forward slash as a path sepa-
       rator. Windows style paths can be converted to Unix  style  paths  with
       the command file	join $path (or file normalize $path in Tcl 8.4).

       Find all	the Tcl	files in the current directory:
	      glob *.tcl

       Find  all  the  Tcl files in the	user's home directory, irrespective of
       what the	current	directory is:
	      glob -directory ~	*.tcl

       Find all	subdirectories of the current directory:
	      glob -type d *

       Find all	files whose name contains an "a", a "b"	or the sequence	"cde":
	      glob -type f *{a,b,cde}*


       exist, file, glob, pattern

Tcl				      8.3			       glob(n)


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