Prompting the user for input

[Daniel Kraft]

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Hi all,

after I was quite busy the last weeks, I finally want to come back to
profiling and implement at least an interactive "browser" for the
hierarchical profile before features are frozen next month (IIRC).

For that, I want to give a "command prompt" to the user, similar to
the one for debugging (like "profile> ").  What is the best way to do
so from within .m file functions?  It would be nice if that would
integrate well into the look-and-feel of the ordinary Octave CLI.

I found "input (prompt, 's')" which seems to be almost what I want;
however, it does not handle Ctrl-D (EOF) well; this shows an error,
while I would ideally just want to be notified that input is EOF
instead of a new command so that I can return to the ordinary Octave
prompt.  Is there a way to "catch" EOF with input?

Apart from that, there seem to be only the C stdlib like functions
available for input (like fgetl).  They appear to handle EOF fine
(return -1), but I can't use "fgetl (stdin ())" on the interactive
Octave CLI -- is there a way to read with fgetl from stdin even in
interactive mode, or is all I can do use "input"?

Thanks!  Yours,
Daniel

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