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Re: READF: Input conversion error. [message #91314 is a reply to message #91313] Mon, 29 June 2015 08:49 Go to previous messageGo to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Priyadarsini Sivaraj writes:

> Sry..The subject is OPENR: Expression must be a scalar or 1 element array in this context: FILENAME.

Two things are wrong. Arrays in IDL are zero-based, so array indices go
from 0 to n-1, not from 1 to n, as you have it here. And, string
concatenation happens with a plus sign. You have:

file=[filelocation,filename]

Making "file" a two-element array (when it should be a scalar). You
probably want something like this:

file = filelocation + filename

Or, perhaps this:

file = filelocaton + PathSep() + filename

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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