From bfd441db8f5a17a9896257887eaffccbbf066541 Mon Sep 17 00:00:00 2001
From: wakou <wakou@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 3 Jun 2001 19:25:07 +0000
Subject: [PATCH] 	* lib/shellwords.rb: don't destroy argument.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1491 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog         | 4 ++++
 lib/shellwords.rb | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index decb68b4af..2d4334b394 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jun  4 04:14:53 2001  Wakou Aoyama  <wakou@fsinet.or.jp>
+
+	* lib/shellwords.rb: don't destroy argument.
+
 Sat Jun  2 23:05:20 2001  Shugo Maeda <shugo@ruby-lang.org>
 
 	* lib/cgi/session.rb: don't use module_function for Class.
diff --git a/lib/shellwords.rb b/lib/shellwords.rb
index 5c31f8ca78..9fd7571172 100644
--- a/lib/shellwords.rb
+++ b/lib/shellwords.rb
@@ -16,7 +16,7 @@ module Shellwords
     unless line.kind_of?(String)
       raise ArgumentError, "Argument must be String class object."
     end
-    line.sub!(/\A\s+/, '')
+    line = line.sub(/\A\s+/, '')
     words = []
     while line != ''
       field = ''