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18.3 pathchk: Check file name portability

pathchk checks portability of filenames. Synopsis:

pathchk [option]... name...

For each name, pathchk prints a message if any of these conditions is true:

  1. one of the existing directories in name does not have search (execute) permission,
  2. the length of name is larger than its filesystem's maximum file name length,
  3. the length of one component of name, corresponding to an existing directory name, is larger than its filesystem's maximum length for a file name component.

The program accepts the following option. Also see 2. Common options.

Instead of performing length checks on the underlying filesystem, test the length of each file name and its components against the POSIX minimum limits for portability. Also check that the file name contains no characters not in the portable file name character set.

Exit status:

0 if all specified file names passed all of the tests,
1 otherwise.

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