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author(no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-03-07 12:10:03 +0000
committer(no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-03-07 12:10:03 +0000
commit64eaecb8a8e79c63f4dfa88f8b6bed1d7d9fcd51 (patch)
tree7ba8f093385d3834e6f28e367baaf91dab240b3d /win32
parent681fcb37acfec3e93dc514f16ed81bccf6929207 (diff)
This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8103 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32')
-rwxr-xr-xwin32/ifchange.bat30
1 files changed, 30 insertions, 0 deletions
diff --git a/win32/ifchange.bat b/win32/ifchange.bat
new file mode 100755
index 0000000000..61a80c841b
--- /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