Destination IUnknown

Mostly on .NET, Java, Blogosphere, software development and techie stuff by Victor Hadianto

Tuesday, 3 March 2009

Running DOS batch file from UNC path

My DOS batch install file broke when I tried running them from a UNC path. It says: "CMD does not support UNC paths as current directories". Old error message but new to me. Make sense since DOS was around before the UNC path era.

Turn out that there is a solution, not the cleanest but it works. Basically you have to do this:


pushd "%~dp0"

REM ... do your stuff

popd


What pushd does is automatically map the given parameter as a drive and popd removes the mapping. Not the best solution, but a working one. And the "%~dp0" parameter gets you the current directory of the batch file.

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2 Comments:

At 28 April 2009 8:39 AM , Anonymous Anonymous said...

Excellent. Fixed the issue for me.

 
At 11 July 2009 1:01 PM , Blogger Rux IT said...

nice one...although I've found the batch I use still works without it..good old MS.

 

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