chmod: How to recursively add execute permissions only to files which already have execute permission [closed]

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开发者_开发百科

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Closed 11 years ago.

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I noticed:

chmod -R a+x adds execute permissions to all files, not just those who are currently executable.

Is there a way to add execute permissions only to those files who already have an execute set for the user permission?

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Use find:

find . -perm /u+x -execdir chmod a+x {} \;

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You can use find to get all those files:

find . -type f -perm -o+rx -print0 | xargs -0 chmod a+x

Update: add -print0 to preserve space in filenames