.\" Automatically generated by Pod::Man 4.10 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "Text::ParseWords 3perl" .TH Text::ParseWords 3perl "2020-07-21" "perl v5.28.1" "Perl Programmers Reference Guide" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Text::ParseWords \- parse text into an array of tokens or array of arrays .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 6 \& use Text::ParseWords; \& @lists = nested_quotewords($delim, $keep, @lines); \& @words = quotewords($delim, $keep, @lines); \& @words = shellwords(@lines); \& @words = parse_line($delim, $keep, $line); \& @words = old_shellwords(@lines); # DEPRECATED! .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" The &\fBnested_quotewords()\fR and &\fBquotewords()\fR functions accept a delimiter (which can be a regular expression) and a list of lines and then breaks those lines up into a list of words ignoring delimiters that appear inside quotes. &\fBquotewords()\fR returns all of the tokens in a single long list, while &\fBnested_quotewords()\fR returns a list of token lists corresponding to the elements of \f(CW@lines\fR. &\fBparse_line()\fR does tokenizing on a single string. The &*\fBquotewords()\fR functions simply call &\fBparse_line()\fR, so if you're only splitting one line you can call &\fBparse_line()\fR directly and save a function call. .PP The \f(CW$keep\fR argument is a boolean flag. If true, then the tokens are split on the specified delimiter, but all other characters (including quotes and backslashes) are kept in the tokens. If \f(CW$keep\fR is false then the &*\fBquotewords()\fR functions remove all quotes and backslashes that are not themselves backslash-escaped or inside of single quotes (i.e., &\fBquotewords()\fR tries to interpret these characters just like the Bourne shell). \s-1NB:\s0 these semantics are significantly different from the original version of this module shipped with Perl 5.000 through 5.004. As an additional feature, \f(CW$keep\fR may be the keyword \*(L"delimiters\*(R" which causes the functions to preserve the delimiters in each string as tokens in the token lists, in addition to preserving quote and backslash characters. .PP &\fBshellwords()\fR is written as a special case of &\fBquotewords()\fR, and it does token parsing with whitespace as a delimiter\*(-- similar to most Unix shells. .SH "EXAMPLES" .IX Header "EXAMPLES" The sample program: .PP .Vb 7 \& use Text::ParseWords; \& @words = quotewords(\*(Aq\es+\*(Aq, 0, q{this is "a test" of\e quotewords \e"for you}); \& $i = 0; \& foreach (@words) { \& print "$i: <$_>\en"; \& $i++; \& } .Ve .PP produces: .PP .Vb 6 \& 0: \& 1: \& 2: \& 3: \& 4: <"for> \& 5: .Ve .PP demonstrating: .IP "0" 4 a simple word .IP "1" 4 .IX Item "1" multiple spaces are skipped because of our \f(CW$delim\fR .IP "2" 4 .IX Item "2" use of quotes to include a space in a word .IP "3" 4 .IX Item "3" use of a backslash to include a space in a word .IP "4" 4 .IX Item "4" use of a backslash to remove the special meaning of a double-quote .IP "5" 4 .IX Item "5" another simple word (note the lack of effect of the backslashed double-quote) .PP Replacing \f(CW\*(C`quotewords(\*(Aq\es+\*(Aq, 0, q{this is...})\*(C'\fR with \f(CW\*(C`shellwords(q{this is...})\*(C'\fR is a simpler way to accomplish the same thing. .SH "SEE ALSO" .IX Header "SEE ALSO" Text::CSV \- for parsing \s-1CSV\s0 files .SH "AUTHORS" .IX Header "AUTHORS" Maintainer: Alexandr Ciornii . .PP Previous maintainer: Hal Pomeranz , 1994\-1997 (Original author unknown). Much of the code for &\fBparse_line()\fR (including the primary regexp) from Joerk Behrends . .PP Examples section another documentation provided by John Heidemann .PP Bug reports, patches, and nagging provided by lots of folks\*(-- thanks everybody! Special thanks to Michael Schwern for assuring me that a &\fBnested_quotewords()\fR would be useful, and to Jeff Friedl for telling me not to worry about error-checking (sort of\*(-- you had to be there). .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" This library is free software; you may redistribute and/or modify it under the same terms as Perl itself.