[bug #60483] No crash when given configuration file doesn't exit

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?60483>

                 Summary: No crash when given configuration file doesn't exit
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Thu 29 Apr 2021 10:49:42 PM BST
                Category: All Gnuastro
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

When the user specifies a configuration file (with '--config') and the file
doesn't exist, Gnuastro programs won't crash and will continue without even
printing a warning. This can lead to bad confusions when there was a typo in
the file name, or for any reason the configuration file location has changed:
the program should at least print a warning.

This is the expected behavior for default configuration files (we don't want
to bother the user about non-existent default directory or user configuration
files). But it shouldn't be the case for user-given configuration files.

This bug was reported by Sepideh Eskandarlou.




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