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Re: Widgets - 3.6 -> 4.0 Aaarrrggghhh!! [message #5988 is a reply to message #5908]

Sun, 17 March 1996 00:00

landsman
Messages: 93
Registered: August 1991

Member

In article <14MAR199619441349@sorbet.gsfc.nasa.gov>, landsman@sorbet.gsfc.nasa.gov (Wayne Landsman (301)-286-3625) writes...
> The function SINCE_VERSION() below from the IDL Astronomy Library tests
> whether the current version is later than a specified one. In your case,
> it would be used as
> if since_version('4.0.0') then ....
>
To followup my own posting, Bill Thompson has pointed out that the use of
SINCE_VERSION() is probably unnecessary since a simple comparison operator
seems to do the trick, i.e.,

if !VERSION.RELEASE GE '4.0.0' then ...

This simple comparison seems to always work. even though !VERSION.RELEASE
is sometimes 2 characters (e.g. '3.6') and sometimes 4 (e.g. '4.0.1a').

--Wayne Landsman landsman@sorbet.gsfc.nasa.gov

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		Widgets - 3.6 -> 4.0 Aaarrrggghhh!! By: slx on Thu, 14 March 1996 00:00
		Re: Widgets - 3.6 -> 4.0 Aaarrrggghhh!! By: landsman on Sun, 17 March 1996 00:00

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