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catdoc(1) General Commands Manual catdoc(1) NAME catdoc - reads MS-Word file and puts its content as plain text on standard output SYNOPSIS catdoc [-vlu8btawx] [-m number] [ -s charset] [ -d charset] [ -f output- format] file DESCRIPTION catdoc behaves much like cat(1) but it reads MS-Word file and produces hu- man-readable text on standard output. Optionally it can use latex(1) es- cape sequenses for characters which have special meaning for LaTeX. It also makes some effort to recognize MS-Word tables, although it never tries to write correct headers for LaTeX tabular environment. Additional output formats, such is HTML can be easily defined. catdoc doesn't attempt to extract formatting information other than tables from MS-Word document, so different output modes means mainly that differ- ent charachers should be escaped and different ways used to represent char- acters, missing from output charset. See CHARACTER SUBSTITUTION below catdoc uses internal unicode(4) representation of text, so it is able to convert texts when charset in source document doesn't match charset on tar- get system. See CHARACTER SETS below. If no file names supplied, catdoc processes its standard input unless it is terminal. It is unlikely that somebody could type Word document from key- board, so if catdoc invoked without arguments and stdin is not redirected, it prints brief usage message and exits. Processing of standard input (even among other files) can be forced using dash '-' as file name. By default, catdoc wraps lines which are more than 72 chars long and sepa- rates paragraphs by blank lines. This behavoir can be turned of by -w switch. In wide mode catdoc prints each paragraph as one long line, suit- able for import into word processors which perform word wrapping their- selves. OPTIONS -a - shortcut for -f ascii. Produces ASCII text as output. Separates table columns with TAB -b - process broken MS-Word file. Normally, catdoc checks if first 8 bytes of file is Microsoft OLE signature. If so, it processes file, otherwise it just copies it to stdin. It is intended to use catdoc as filter for viewing all files with .doc extension. -dcharset - specifies destination charset name. Charset file has format de- scribed in CHARACTER SETS below and should have .txt extension and reside in catdoc library directory (normally /usr/local/lib/cat- doc). -fformat - specifies output format as described in CHARACTER SUBSTITUTION below. catdoc comes with two output formats - ascii and tex. You can add your own if you wish. -l Causes catdoc to list names of available charsets to the stdout and exit successfully. -mnumber Specifies right margin for text (default 72). -m 0 is equivalent to -w -scharset Specifies source charset. (one used in Word document), if Word doc- ument doesn't contain UTF-16 text. -t - shortcut for -f tex converts all printable chars, which have special meaning for La- TeX(1) into appropriate control sequences. Separates table columns by &. -u - declares that Word document contain UNICODE (UTF-16) repres- ntation of text (as some Word-97 documents). If catdoc fails to correct Word document with default charset, try this op- tion. -8 - declares is Word document is 8 bit. Just in case that catdoc recognizes file format incorrectly. -w disables word wrapping. By default catdoc output is splitted into lines not longer than 72 (or number, specified by -m option) characters and paragraphs are separated by blank line. With this option each paragraph is one long line. -x causes catdoc to output unknown UNICODE characher as \xNNNN, in- stead of question marks. -v causes catdoc to print some useless information about word document structure to stdout before actual start of text. CHARACTER SETS When processing MS-Word file catdoc uses information about two character sets, typically different - input and output. They are stored in plain text files in catdoc library directory. Character set files should contain two whitespace-separated hexadecimal numbers - 8-bit code in character set and 16-bit unicode code. Anything from hash mark to end of line is ignored, as well as blank lines. catdoc distribution includes some of these character sets. Additional char- acter set definitions, directly usable by catdoc can be obtained from ftp.unicode.org. Charset files have .txt suffix, which shouldn't be speci- fied in command-line or configuration files. Note that catdoc is distributed with Cyrillic charsets as default. If you are not Russian, you probably don't want it, an should reconfigure catdoc at compile time or in runtime configuration file. When dealing with documents with charsets other than default, remember that Microsoft never uses ISO charsets. While letters in, say cp1252 are at the same position as in ISO-8859-1, some punctuation signs would be lost, if you specify ISO-8859-1 as input charset. If you use cp1252, catdoc would deal with those signs as described in CHARACTER SUBSTITUTION below. CHARACTER SUBSTITUTION catdoc converts MS-Word file into following internal unicode representa- tion: 1. Paragraphs are separated by ASCII Line Feed symbol (0x000A) 2. Table cells within row are separated by ASCII Field Separator symbol (0x001C) 3. Table rows are separated by ASCII Record Separator (0x001E) 4. All printable characters, including whitespace are represented with their respective UNICODE codes. This UNICODE representation is subsequentely converted into 8-bit text in target character set using following four-step algorithm: 1. List of special characters is searched for given unicode character. If found, then appropriate multi-character sequence is output instead of character. 2. If there is an equivalent in target character set, it is output. 3. Otherwise, replacement list is searched and, if there is multi-character substitution for this UNICODE char, it is output. 4. If all above fails, "Unknown char" symbol (question mark) is output. Lists of special characters and list of substitution are character set-in- dependent, becouse special chars should be escaped regardless of their ex- istense in target character set (usially, they are parts of US-ASCII, and therefore exist in any character set) and replacement list is searched only for those characters, which are not found in target character set. These lists are stored in catdoc library directory in files with prefix of format name. These files have following format: Each line can be either comment (starting with hash mark) or contain hexa- decimal UNICODE value, separated by whitespace from string, which would be substituted instead of it. If string contain no whitespace it can be used as is, otherwise it should be enclosed in single or double quotes. Usial backslash sequences like '\n','\t' can be used in these string. RUNTIME CONFIGURATION Upon startup catdoc reads its system-wide configuration file ( catdocrc in catdoc library directory) and then user-specific configuration file ${HOME}/.catdocrc. These files can contain following directives: source_charset = charset-name Sets default source charset, which would be used if no -s option specified. Consult configuration of nearby windows workstation to find one you need. target_charset = charset-name Sets default output charset. You probably know, which one you use. charset_path = directory-list colon-separated list of directories, which are searched for charset files. This allows you to install additional charsets in your home directory. map_path = directory-list colon-separated list of directories, which are searched for special character map and replacement map. format = format name Output format which would be used by default. catdoc comes with two formats - ascii and tex but nothing prevents you from writing your own format (set two map files - special character map and re- placement map). unknown_char = character specification sets characher to output instead of unknown unicode character (de- fault '?') Character specification can have one of two form - character enclosed in single quotes or hexadecimal code. BUGS Doesn't handle fast-saves properly. Prints footnotes as separate paragraphs at the end of file, instead of producing correct LaTeX commands. Cannot distinguish between empty table cell and end of table row. SEE ALSO xls2csv(1), cat(1), strings(1), utf(4), unicode(4) AUTHOR V.B.Wagner <vitus@ice.ru> MS-Word reader Version 0.91 catdoc(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | CHARACTER SETS | CHARACTER SUBSTITUTION | RUNTIME CONFIGURATION | BUGS | SEE ALSO | AUTHOR
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