* lib/tempfile.rb (Tempfile.create): New method.

The method name is proposed by Shugo Maeda.  [ruby-dev:47220]
  [ruby-core:41478] [Feature #5707]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Apr 20 22:47:48 2013  Tanaka Akira  <akr@fsij.org>
+
+	* lib/tempfile.rb (Tempfile.create): New method.
+	  The method name is proposed by Shugo Maeda.  [ruby-dev:47220]
+	  [ruby-core:41478] [Feature #5707]
+
 Sat Apr 20 14:22:10 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* marshal.c (w_object): dump no ivars to the original by marshal_dump.

NEWS

@@ -70,5 +70,9 @@ with all sufficient information, see the ChangeLog file.
   * Rinda now supports multicast sockets.  See Rinda::RingServer and
     Rinda::RingFinger for details.
 
+* Tempfile
+  * New methods:
+    * Tempfile.create
+
 === Stdlib compatibility issues (excluding feature bug fixes)
 === C API updates

lib/tempfile.rb

@@ -332,6 +332,51 @@ class Tempfile < DelegateClass(File)
   end
 end
 
+# Creates a temporally file as usual File object (not Tempfile).
+# It don't use finalizer and delegation.
+#
+# If no block is given, this is similar to Tempfile.new except
+# creating File instead of Tempfile.
+# The created file is not removed automatically.
+# You should use File.unlink to remove it.
+#
+# If a block is given, then a File object will be constructed,
+# and the block is invoked with the object as the argument.
+# The File object will be automatically closed and
+# the temporally file is removed after the block terminates.
+# The call returns the value of the block.
+#
+# In any case, all arguments (+*args+) will be treated as Tempfile.new.
+#
+#   Tempfile.create('foo', '/home/temp') do |f|
+#      ... do something with f ...
+#   end
+#
+def Tempfile.create(basename, *rest)
+  tmpfile = nil
+  Dir::Tmpname.create(basename, *rest) do |tmpname, n, opts|
+    mode = File::RDWR|File::CREAT|File::EXCL
+    perm = 0600
+    if opts
+      mode |= opts.delete(:mode) || 0
+      opts[:perm] = perm
+      perm = nil
+    else
+      opts = perm
+    end
+    tmpfile = File.open(tmpname, mode, opts)
+  end
+  if block_given?
+    begin
+      yield tmpfile
+    ensure
+      File.unlink tmpfile
+    end
+  else
+    tmpfile
+  end
+end
+
 if __FILE__ == $0
 #  $DEBUG = true
   f = Tempfile.new("foo")

test/test_tempfile.rb

@@ -304,5 +304,26 @@ puts Tempfile.new('foo').path
       assert_equal(0600, t.stat.mode & 0777)
     end
   end
+
+  def test_create_with_block
+    path = nil
+    Tempfile.create("tempfile-create") {|f|
+      path = f.path
+      assert(File.exist?(path))
+    }
+    assert(!File.exist?(path))
+  end
+
+  def test_create_without_block
+    path = nil
+    f = Tempfile.create("tempfile-create")
+    path = f.path
+    assert(File.exist?(path))
+    f.close
+    assert(File.exist?(path))
+  ensure
+    f.close if f && !f.closed?
+    File.unlink path if path
+  end
 end