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Checking version number [message #66833]

Fri, 12 June 2009 14:28

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

I don't like to write version-dependent code, but with the improved PS
driver in IDL 7.1 I would like to keep my old workarounds for 24-bit
color available.

The quantity stored in !VERSION is a string

IDL> help, !version.release
<Expression> STRING = '7.1'

But this is not simple to convert to a number, because there are
instances like this

IDL> help, !version.release
<Expression> STRING = '6.4.1'

Is there an easy way to test whether the version is greater than or equal to 7.1?

Ken Bowman

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Checking version number

By: Kenneth P. Bowman on Fri, 12 June 2009 14:28

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