Re: edit.m: patches to restore and fix old behavior for new files

[Luke M]

Mike Miller-2 wrote
> 
> Hi, I have a series of patches for the edit function that restore some
> behavior that hasn't worked since 3.0.x, and fix some quirks, all having
> to do with editing new files.  Technically this is a regression against
> 3.0.x, but no one's reported it, maybe I'm the only one who has noticed.
> 
> (snip)
> 
> Current dev:
> 
>   octave:1> edit myfunc      | empty file          | ./myfunc
>   octave:2> edit myfunc.m    | function "myfunc"   | ./myfunc.m
>   octave:3> edit myfunc.cc   | C function "myfunc" | ./myfunc.cc
>   octave:4> edit notes.txt   | empty file          | ./notes.txt
>   octave:5> edit ./myfunc.m  | function "./myfunc" | ./myfunc.m
>   octave:6> edit /tmp/myfunc | empty file          | /tmp/myfunc
> 
> With my patches applied:
> 
>   octave:1> edit myfunc      | function "myfunc"   | HOME/myfunc.m
>   octave:2> edit myfunc.m    | function "myfunc"   | HOME/myfunc.m
>   octave:3> edit myfunc.cc   | C function "myfunc" | HOME/myfunc.cc
>   octave:4> edit notes.txt   | empty file          | HOME/notes.txt
>   octave:5> edit ./myfunc.m  | function "myfunc"   | ./myfunc.m
>   octave:6> edit /tmp/myfunc | empty file          | /tmp/myfunc
> 

Matlab 2010b (SP1) and 2011b both act mostly like current dev.  Slight
differences:

- Matlab automatically adds the .m extension in the first example (but
creates the file in '.')
- Matlab pops up a warning dialog asking if you want to create a new file

I don't have Octave handy, so I'm not sure if this is a difference or not:

- If you say yes to the dialog, Matlab creates the file first, then opens it
for editing (I assume Octave just calls the external editor, which probably
opens a temporary buffer and only creates the file on save)

Perhaps the changes in current dev are intentional, but the documentation
was not updated?

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