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On Sat, 2008-03-01 at 13:40 +0100, Erik wrote: |
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> Is it possible to set a property on a file and have it remove |
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> automatically when the file is modified? |
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> |
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> Suppose that we have a style checker that checks a lot of source code |
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> files. Once it examined a file and found it to be clean, it should set a |
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> property on the file ("style-clean"). Whenever the style checker is |
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> executed it skips files with this property. Whenever the file is |
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> modified, the filesystem removes the property. |
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> |
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> Is this possible? Which filesystems does it work on? |
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|
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Looks like you are looking for extended attributes: |
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http://en.wikipedia.org/wiki/Extended_attributes |
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But I don't think you can make them "disappear" by modifying a file. |
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Inotify might be a solution for that problem: |
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http://en.wikipedia.org/wiki/Inotify |
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|
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Alternatively you could check the file modification times as stored by |
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default on every FS. You could use "find" for that or "ls --full-time". |
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