[Octave-bug-tracker] [bug #60023] Tab completion gets confused for files with hyphens

[Rik]

Update of bug #60023 (project octave):

                Severity:              3 - Normal => 1 - Wish               
                Priority:              5 - Normal => 3 - Low                
              Item Group:             Performance => Feature Request        
                  Status:                    None => Confirmed              
        Operating System:               GNU/Linux => Any                    

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Follow-up Comment #1:

This is a known issue.  I think it will be difficult to resolve.  The typical
UNIX approach is to use underscores rather than hyphens which would resolve
this.

Consider this code


abc = 1;
xyz = 2;
xyz-abc
ans = 1


In this case, the hyphen/minus sign indicates a mathematical operation and a
break between variables (which can't have '-' in them).  The 'Tab Completion'
operation has a definition of which characters can be variable or file names
and which are not and therefore indicate a break.  In this case, if you type
'xyz-a<TAB>' the Readline library understands that '-' is not part of a name
and therefore it should look for matches beginning with the next character
'a'.

There are ways this could be made to work.  If there were different completion
modes, one for variables and functions and one for file names, then each mode
could use a different set of characters for words.  This might be possible
with Readline; I'm not sure though.


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