[task #15799] Add the autocomplete feature to gnuastro

[Pedram Ashofteh Ardakani]

URL:
  <https://savannah.gnu.org/task/?15799>

                 Summary: Add the autocomplete feature to gnuastro
                 Project: GNU Astronomy Utilities
            Submitted by: pedram
            Submitted on: Sun 25 Oct 2020 04:00:53 PM UTC
         Should Start On: Sun 25 Oct 2020 12:00:00 AM UTC
   Should be Finished on: Sun 25 Oct 2020 12:00:00 AM UTC
                Category: Development
                Priority: 5 - Normal
              Item Group: New feature
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00

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Details:

Using autocomplete (using the <TAB> key) not only helps write commands faster,
but also reduces the chance of making typing mistakes, and helps users explore
all the options available.

I looked up the way one can achieve this feat, and found links and tutorials
similar to Bash Programmable Completion Tutorial
<https://iridakos.com/programming/2018/03/01/bash-programmable-completion-tutorial>.

It might be a good idea to visit the GNU Programmable Completion Builtins
<https://www.gnu.org/software/bash/manual/html_node/Programmable-Completion-Builtins.html#Programmable-Completion-Builtins>
too.






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