49 lines
888 B
Perl
49 lines
888 B
Perl
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;# shellwords.pl
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;#
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;# Usage:
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;# require 'shellwords.pl';
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;# @words = &shellwords($line);
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;# or
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;# @words = &shellwords(@lines);
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;# or
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;# @words = &shellwords; # defaults to $_ (and clobbers it)
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sub shellwords {
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package shellwords;
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local($_) = join('', @_) if @_;
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local(@words,$snippet,$field);
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s/^\s+//;
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while ($_ ne '') {
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$field = '';
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for (;;) {
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if (s/^"(([^"\\]|\\[\\"])*)"//) {
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($snippet = $1) =~ s#\\(.)#$1#g;
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}
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elsif (/^"/) {
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die "Unmatched double quote: $_\n";
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}
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elsif (s/^'(([^'\\]|\\[\\'])*)'//) {
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($snippet = $1) =~ s#\\(.)#$1#g;
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}
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elsif (/^'/) {
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die "Unmatched single quote: $_\n";
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}
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elsif (s/^\\(.)//) {
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$snippet = $1;
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}
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elsif (s/^([^\s\\'"]+)//) {
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$snippet = $1;
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}
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else {
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s/^\s+//;
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last;
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}
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$field .= $snippet;
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}
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push(@words, $field);
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}
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@words;
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}
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1;
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