[bug #66303] color-faint-gray: it crashes if using 4th channel

[Raul Infante-Sainz]

URL:
  <https://savannah.gnu.org/bugs/?66303>

                 Summary: color-faint-gray: it crashes if using 4th channel
                   Group: GNU Astronomy Utilities
               Submitter: infantesainz
               Submitted: Tue 08 Oct 2024 06:38:34 AM UTC
                Category: Installed scripts
                Severity: 3 - Normal
              Item Group: Crash
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any


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Follow-up Comments:


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Date: Tue 08 Oct 2024 06:38:34 AM UTC By: Raul Infante-Sainz <infantesainz>
The 'astscript-color-faint-gray' script works fine if three images are used as
inputs. However, it crashes if an extra 4th channel is used with the following
error:

aststatistics: color-faint-gray-tmp/colorgray_threshold.fits:
 No such file or directory

I have identified this problem and it is related to the creation of a symbolic
link. In fact, we commented in the source code of the script that we should
avoid using symbolic links because 'realpath' is not portable on non-GNU
systems.

This bug was reported by Elisabeth Sola. Thank you very much!







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