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16.3.2 Access permission tests

These options test for particular access permissions.

‘-g file’ ¶

True if file exists and has its set-group-ID bit set.

‘-k file’ ¶

True if file exists and has its sticky bit set.

‘-r file’ ¶

True if file exists and the user has read access.

‘-u file’ ¶

True if file exists and has its set-user-ID bit set.

‘-w file’ ¶

True if file exists and the user has write access.

‘-x file’ ¶

True if file exists and the user has execute access (or search permission, if it is a directory).

‘-O file’ ¶

True if file exists and is owned by the current effective user ID.

‘-G file’ ¶

True if file exists and is owned by the current effective group ID.