ruby/lib/shellwords.rb
matz 210367ec88 This commit was generated by cvs2svn to compensate for changes in r372,
which included commits to RCS files with non-trunk default branches.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1999-01-20 04:59:39 +00:00

46 lines
989 B
Ruby

# 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 #"
raise ArgError, "Unmatched double quote: #{line}"
elsif line.sub! /^'(([^'\\]|\\.)*)'/, '' then #'
snippet = $1
snippet.gsub! /\\(.)/, '\1'
elsif line =~ /^'/ then #'
raise ArgError, "Unmatched single quote: #{line}"
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