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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:19:09 +0000 |
commit | 62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch) | |
tree | 4d0edb1c1986e1578b181ebe2441acfee27f1fab /lib/shellwords.rb | |
parent | 3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (diff) |
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/shellwords.rb')
-rw-r--r-- | lib/shellwords.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/shellwords.rb b/lib/shellwords.rb new file mode 100644 index 0000000000..9632f1222a --- /dev/null +++ b/lib/shellwords.rb @@ -0,0 +1,48 @@ +# shellwords.rb +# original is shellwords.pl +# +# Usage: +# require 'shellwords.rb' +# words = Shellwords.shellwords(line) +# +# or +# +# include Shellwords +# words = shellwords(line) + +module Shellwords + def shellwords(line) + return '' unless line + line.sub! /^\s+/, '' + words = [] + while line != '' + field = '' + while TRUE + if line.sub! /^"(([^"\\]|\\.)*)"/, '' then + snippet = $1 + snippet.gsub! /\\(.)/, '\1' + elsif line =~ /^"/ then + STDOUT.print "Unmatched double quote: $_\n" + exit + elsif line.sub! /^'(([^'\\]|\\.)*)'/, '' then + snippet = $1 + snippet.gsub! /\\(.)/, '\1' + elsif line =~ /^'/ then + STDOUT.print "Unmatched single quote: $_\n" + exit + elsif line.sub! /^\\(.)/, '' then + snippet = $1 + elsif line.sub! /^([^\s\\'"]+)/, '' then + snippet = $1 + else + line.sub! /^\s+/, '' + break + end + field += snippet + end + words += field + end + words + end + module_function :shellwords +end |