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2d where [message #39033] Tue, 13 April 2004 09:30
GrahamWilsonCA is currently offline  GrahamWilsonCA
Messages: 12
Registered: January 2003
Junior Member
I have read through the IDL documentation and while it does explain
why the following doesn't work, it doesn't offer any alternatives :(

I am trying to find the indexes where the elements of 'bar' are equal
to 'foo'.

IDL> foo = ["a", "b", "c", "d", "e", "f"]
IDL> bar = ["b", "e"]
IDL> print, where(foo eq bar)
-1
PERFECTDL> print, where(foo eq bar)
1 4

Any ideas?

Graham

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