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Question by gumboots · Aug 20, 2015 at 04:36 AM · build-errorsystem.iopostprocessioexceptionfileutil

OnPostProcessBuild IOException

Hi there,

I have taken a script from another project I'm working on that does some post build processing. Right now I've stripped it right back to just renaming the game's data folder (game_data/) to just "data/".

This works fine in the project I've taken it from, however in this project I continue to get this error:

 IOException: Failed to Move File / Directory from 'D:\Game Development\test-game\Build\Test Game_Data\' to 'D:\Game Development\test-game\Build\data\'.

The only code I'm using is by supplying those two directories to:

 FileUtil.MoveFileOrDirectory(from, to);

Any help is much appreciated!

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Answer by gumboots · Aug 21, 2015 at 12:10 AM

I actually solved this by using:

 Directory.Move(from, to);

Instead. No errors, works perfectly every time.

Seems strange?

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Answer by HarshadK · Aug 20, 2015 at 06:27 AM

One cause for this is that the source path provided does not exist. Before calling the FileUtil.MoveFileOrDirectory check if the source path exists.

Other possible reasons are invalid file/directory permissions, file/directory in use by another process.

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avatar image gumboots · Aug 20, 2015 at 06:33 AM 0
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Thanks for this! However I have actually placed a

 Debug.Log(Directory.Exists(from));

Prior to the attempt to move and it always returns true.

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