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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/RUBY@9 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
48 lines
978 B
Ruby
48 lines
978 B
Ruby
# shellwords.rb
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# original is shellwords.pl
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#
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# Usage:
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# require 'shellwords.rb'
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# words = Shellwords.shellwords(line)
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#
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# or
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#
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# include Shellwords
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# words = shellwords(line)
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module Shellwords
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def shellwords(line)
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return '' unless line
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line.sub! /^\s+/, ''
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words = []
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while line != ''
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field = ''
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while TRUE
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if line.sub! /^"(([^"\\]|\\.)*)"/, '' then
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snippet = $1
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snippet.gsub! /\\(.)/, '\1'
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elsif line =~ /^"/ then
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STDOUT.print "Unmatched double quote: $_\n"
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exit
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elsif line.sub! /^'(([^'\\]|\\.)*)'/, '' then
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snippet = $1
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snippet.gsub! /\\(.)/, '\1'
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elsif line =~ /^'/ then
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STDOUT.print "Unmatched single quote: $_\n"
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exit
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elsif line.sub! /^\\(.)/, '' then
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snippet = $1
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elsif line.sub! /^([^\s\\'"]+)/, '' then
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snippet = $1
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else
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line.sub! /^\s+/, ''
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break
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end
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field += snippet
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end
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words += field
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end
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words
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end
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module_function :shellwords
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end
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