| How to kill a procedure? [message #13716] |
Thu, 03 December 1998 00:00  |
Med Bennett
Messages: 109
Registered: April 1997
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Senior Member |
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I am wondering how to kill an errant IDL procedure in Windows 95 without
killing the whole application and starting over. I sometimes make a
programming error which causes a procedure to go into an infinite loop.
It seems like I used to be able to hit ctrl-C in older versions of IDL,
at least in procedures that had some sort of print statement in them, to
exit out of a procedure. But recently when this has happened, nothing
seems to work and I have to hit ctrl-alt-delete and kill IDL entirely,
which is very annoying, especially if I have unsaved variables. Any
suggestions would be greatly appreciated!
Thanks in advance,
Med Bennett
mbennett @ indra.com
IDL 5.0.2
Windows95
Pentium-133, 48 MB RAM
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| Re: How to kill a procedure? [message #13827 is a reply to message #13716] |
Mon, 07 December 1998 00:00  |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Med Bennett wrote:
> I am wondering how to kill an errant IDL procedure in Windows 95 without
> killing the whole application and starting over. I sometimes make a
> programming error which causes a procedure to go into an infinite loop.
> It seems like I used to be able to hit ctrl-C in older versions of IDL,
> at least in procedures that had some sort of print statement in them, to
> exit out of a procedure. But recently when this has happened, nothing
> seems to work and I have to hit ctrl-alt-delete and kill IDL entirely,
> which is very annoying, especially if I have unsaved variables. Any
> suggestions would be greatly appreciated!
I think you are out of luck here. And I seriously doubt whether
you were ever able to interrupt a loop in IDL previously. Normally,
something like a FOR loop is considered a single command to the
IDL compiler. IDL will only look for interrupt characters at the
end of each command.
I've written my own share of infinte loops, especially before
I learned to *ALWAYS* cancel my CATCH error handler in my
error handling code. Nothing like having errors in the error
handling code to put IDL into a tight (and uninterruptable)
spin. :-)
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Progamming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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