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Re: Which like command for IDL?

David Fanning (davidf@dfanning.com) writes:
> It is a moot point anyway, in this case, since the program
> uses some of the neat new SWITCH, BREAK, etc. stuff that
> comes in IDL 5.4, and will not compile in earlier versions.

Interestingly, the FILE_WHICH program supplied in IDL 5.4
calls a built-in, but undocumented, program STRTOK, which
appears to separate the path subdirectories based on
a delimiter supplied to the function. I'll leave it
to the expert sleuths in the group to tell us what it
*really* does. :-)


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