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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 1998-01-16 12:19:09 +00:00
parent 3db12e8b23
commit 62e41d3f2e
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48
lib/shellwords.rb Normal file
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# 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