From 244bb8db51a8417e299bed5cea19340a9a30ac33 Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 20 Jan 2003 12:27:53 +0000
Subject: * lib/tempfile.rb (self.open): If a block is given, call it with  
 tempfile as an argument and automatically close the tempfile   when the block
 terminates.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3376 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog       |  6 ++++++
 lib/tempfile.rb | 20 ++++++++++++++++++--
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ef54419f1d..9cdcb28ae0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jan 20 21:25:18 2003  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/tempfile.rb (self.open): If a block is given, call it with
+	  tempfile as an argument and automatically close the tempfile
+	  when the block terminates.
+
 Mon Jan 20 21:02:50 2003  Akinori MUSHA  <knu@iDaemons.org>
 
 	* mdoc2man.rb: Properly put nested braces, parentheses and angles.
diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index e68452fe6a..b122795294 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -148,9 +148,25 @@ class Tempfile < SimpleDelegator
       }
     end
 
-    # Equivalent to new().
+    # If no block is given, this is a synonym for new().
+    #
+    # If a block is given, it will be passed tempfile as an argument,
+    # and the tempfile will automatically be closed when the block
+    # terminates.  In this case, open() returns nil.
     def open(*args)
-      new(*args)
+      tempfile = new(*args)
+
+      if block_given?
+	begin
+	  yield(tempfile)
+	ensure
+	  tempfile.close
+	end
+
+	nil
+      else
+	tempfile
+      end
     end
   end
 end
-- 
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