comp.lang.idl-pvwave archive: archive » Re: Checking version number

Home » Public Forums » archive » Re: Checking version number

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Checking version number [message #66830 is a reply to message #66828]

Fri, 12 June 2009 15:01

wlandsman
Messages: 743
Registered: June 2000

Senior Member

On Jun 12, 5:28 pm, "Kenneth P. Bowman" <k-bow...@null.edu> wrote:
> 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
>

I have always found that just using a string comparison works fine
(no need to convert to a number), even with subversions e.g.

if !VERSION.RELEASE GE '7.1' THEN ...

Of course this might begin to fail with Version 10... --Wayne

Report message to a moderator

[Message index]

		Re: Checking version number By: wlandsman on Fri, 12 June 2009 17:46
		Re: Checking version number By: Michael Galloy on Fri, 12 June 2009 16:14
		Re: Checking version number By: Michael Galloy on Fri, 12 June 2009 15:47
		Re: Checking version number By: David Fanning on Fri, 12 June 2009 15:07
		Re: Checking version number By: Kenneth P. Bowman on Fri, 12 June 2009 14:52
		Re: Checking version number By: David Fanning on Fri, 12 June 2009 15:03
		Re: Checking version number By: wlandsman on Fri, 12 June 2009 15:01
		Re: Checking version number By: R.G. Stockwell on Fri, 12 June 2009 14:52

Previous Topic:	4 byte integers
Next Topic:	Re: Confusions with map_image!

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 22:32:49 PDT 2025

Total time taken to generate the page: 1.44488 seconds