From ff451b6ee67da29f88112b6db88a856d89731d7b Mon Sep 17 00:00:00 2001
From: "(no author)" <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Mar 2005 12:10:03 +0000
Subject: This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@8103 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 win32/ifchange.bat | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 win32/ifchange.bat

(limited to 'win32')

diff --git a/win32/ifchange.bat b/win32/ifchange.bat
new file mode 100755
index 000000000..61a80c841
--- /dev/null
+++ b/win32/ifchange.bat
@@ -0,0 +1,30 @@
+@echo off
+:: usage: ifchange target temporary
+
+:: check if fc.exe works.
+echo foo > conftest1.tmp
+echo bar > conftest2.tmp
+fc.exe conftest1.tmp conftest2.tmp > nul
+if not errorlevel 1 goto :brokenfc
+
+:: target does not exist or new file differs from it.
+if not exist %1 goto :update
+fc.exe %1 %2 > nul
+if errorlevel 1 goto :update
+
+:unchange
+echo %1 unchanged.
+del %2
+goto :end
+
+:brokenfc
+del conftest1.tmp > nul
+del conftest2.tmp > nul
+echo FC.EXE does not work properly.
+echo assuming %1 should be changed.
+
+:update
+echo %1 updated.
+if exist %1 del %1
+copy %2 %1 > nul
+:end
-- 
cgit