[bug #60826] Arithmetic won't delete existing file with tofile operators

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?60826>

                 Summary: Arithmetic won't delete existing file with tofile
operators
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Sat 26 Jun 2021 05:07:34 AM BST
                Category: Arithmetic
                Severity: 3 - Normal
              Item Group: Output not reasonable
                  Status: In Progress
                 Privacy: Public
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any

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Details:

When any of the 'tofile-' or 'tofilefree-' operators are given, based on
Gnuastro's default behavior it is expected that any existing file will be
deleted before writing the new file (of course, unless the '--dontdelete'
option is given).

However, if the file already exists, Arithmetic will simply add an
extension/HDU to the existing HDUs. 




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