summaryrefslogtreecommitdiff
path: root/lib/shellwords.rb
diff options
context:
space:
mode:
authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
commit62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch)
tree4d0edb1c1986e1578b181ebe2441acfee27f1fab /lib/shellwords.rb
parent3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (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.rb48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/shellwords.rb b/lib/shellwords.rb
new file mode 100644
index 0000000..9632f12
--- /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