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Re: IDL 5.3 serious problem: save files sneakily restored [message #21387 is a reply to message #21386] Thu, 24 August 2000 00:00 Go to previous messageGo to previous message
davidf is currently offline  davidf
Messages: 2866
Registered: September 1996
Senior Member
Vinay L. Kashyap (kashyap@head-cfa.harvard.edu) writes:

> There is an easy enough workaround (".save"), but please, why
> isn't this listed prominently somewhere, at least in the FFAQ?

Uh, maybe because in 10+ years of working with IDL, this
is the first time I've ever heard of anyone having a problem.
For the record, I always mention it in my IDL programming
course. At least, *most* of the time. :-)

> Which, if you are still taking requests for top 10 enhancements,
> has just made my personal list at -1:
> LOOK FOR THE .SAV FILE *LAST*

What would be the point? The file would have
already been compiled--again--and you could
look for it in memory.

> That's what makes this feature dangerous. There's such a
> tremendous number of functions floating around that it's
> practically impossible not to have *some* .sav files around
> that inadvertantly match a function name.

I think inadvertent integer division probably
claims far more victims each year. If we are going
to campaign for something, I would prefer we enforce
the convention that all integer variables (including
system variables) start with the letter "I" so they
can be readily identified. :-)

Cheers,

David

P.S. Of course, these would have to be LONG integers.

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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