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FileMerge/opendiff used to work fine for me when i was on Lion. After upgrading to Mountain Lion, FileMerge always says 'unable to save file'.

Anyone else having the same problem? Any solutions?

[UPDATE]: I just updated to 10.8.2 and the issue is gone.

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closed as unclear what you're asking by Mark, Matthieu Riegler, drfrogsplat, M K, Graham Miln Feb 11 '14 at 7:42

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

Running this in terminal should fix it

sudo /usr/bin/xcode-select -switch /Applications/
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protected by Community Sep 17 '12 at 19:32

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