[bug #64952] Error message for incorrect column name not accurate

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?64952>

                 Summary: Error message for incorrect column name not accurate
                   Group: GNU Astronomy Utilities
               Submitter: makhlaghi
               Submitted: Thu 30 Nov 2023 04:57:00 PM CET
                Category: Libraries
                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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Follow-up Comments:


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Date: Thu 30 Nov 2023 04:57:00 PM CET By: Mohammad Akhlaghi <makhlaghi>
When Table is given a column name that does not match the names of the columns
of its input it will recommend to use '--info' (as shown in the 
the message in the P.S.). 

However, given the newly added Table options that start with '--info' (for
example '--info-num-cols' or '--info-num-rows'), the '--info' suggestion is be
to be ambiguous and Table will ask to be more clear! This can be confusing for
a new user and should be corrected.

This bug was reported by Sepideh Eskandarlou.

P.S.

$ echo 1 2 3 | asttable -cabd
asttable: stdin: 'abd' didn't match any of the column names.

For more information on selecting columns in Gnuastro, please run the
following command (press 'SPACE' to go down and 'q' to return to the
command-line):

    $ info gnuastro "Selecting table columns"

To define a better column selection criteria, you can see the list of column
meta-data in this table, with the following command:

    $ asttable stdin --info









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