| Yet another IDL 5.0 difference [message #9296] |
Wed, 11 June 1997 00:00 |
mday
Messages: 2
Registered: July 1996
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Junior Member |
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I've noticed that there are several differences in the 5.0 version of
pickfile() This function is now referred to as "dialog_pickfile" in the
documentation, though calling the function as "pickfile()" continues to work.
Previously, the /FIX_FILTER keyword would prevent the filter from even
being displayed. Now it is displayed in a grayed-out (but still readable)
fashion. The 5.0 documentation states somewhat erroneously that:
"the filter is not shown" when this keyword is set.
The FILTER string now only allows a single filter condition. Before it
appeared to use the underlying UNIX shell globbing mechanism (at least
on the Solaris version) to filter the filenames, so a filter string
set to '*.txt *.dat' would do what you expect and display files matching
either criteria. Now it appears that only '*.txt' OR '*.dat' are valid
filters, and there doesn't seem to be a way to combine multiple criteria.
When dialog_pickfile is called with a filter than contains multiple criteria
no files will match. This is particularly problematic if dialog_pickfile
is called with a now invalid filter and the /FIX_FILTER keyword.
The first difference is only cosmetic, but the latter does have an impact on
how much of our code behaves. I've forwarded my observations to
support@rsinc.com, I'll summarize any work-arounds I get.
--
Mark Day
Magnetic Resonance Science Center mday@mrsc.ucsf.edu
University of California, San Francisco
(415) 476-1068
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