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4ae8470a48
quotes should not be regarded as meta character. This bug or maybe feature was inherited from Perl's shellwords.pl. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
48 lines
1.1 KiB
Ruby
48 lines
1.1 KiB
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'
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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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# require 'shellwords'
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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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unless line.kind_of?(String)
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raise ArgumentError, "Argument must be String class object."
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end
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line = line.sub(/\A\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!(/\A"(([^"\\]|\\.)*)"/, '') then #"
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snippet = $1
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snippet.gsub!(/\\(.)/, '\1')
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elsif line =~ /\A"/ then #"
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raise ArgumentError, "Unmatched double quote: #{line}"
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elsif line.sub!(/\A'([^']*)'/, '') then #'
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snippet = $1
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elsif line =~ /\A'/ then #'
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raise ArgumentError, "Unmatched single quote: #{line}"
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elsif line.sub!(/\A\\(.)/, '') then
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snippet = $1
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elsif line.sub!(/\A([^\s\\'"]+)/, '') then #'
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snippet = $1
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else
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line.sub!(/\A\s+/, '')
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break
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end
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field.concat(snippet)
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end
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words.push(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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