* lib/cgi.rb: fix command-line option of

  non-interactive terminal. [ruby-core:23016]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@25735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/cgi.rb b/lib/cgi.rb
index 8b367430a8..8598cff6c6 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -1089,7 +1089,12 @@ class CGI
             %|(offline mode: enter name=value pairs on standard input)\n|
           )
         end
-        readlines.join(' ').gsub(/\n/n, '')
+        array = readlines rescue nil
+        if not array.nil?
+          array.join(' ').gsub(/\n/n, '')
+        else
+          ""
+        end
       end.gsub(/\\=/n, '%3D').gsub(/\\&/n, '%26')
 
       words = Shellwords.shellwords(string)