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Re: Suppressing diagnostic messages en masse [message #47319 is a reply to message #47310]

Thu, 02 February 2006 17:06

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Ed Hyer wrote:
> Hey great minds,
>
> I am engaged in semi-permanent debugging of some pretty long scripts,
> which in the course of developing I have peppered with PRINT statements
> to achieve various diagnostic ends.
>
> I don't think the script is "final," whatever that means, but it's time
> to do some production runs, where the script will be invoked 10,000
> times, instead of the usual 1.
>
> I can do a search-and-replace to comment out the diagnostics for this
> purpose, but what would really be nice is if I could somehow put a
> keyword flag into the routine that, when set, would suppress|promote
> the diagnostic messages. Sounds like the sort of thing that might
> exist. Anyone know how to do this?

I don't know about "system" level keywords to do this, but I usually add a "Debug" keyword
to my procedures - particularly widget code, but other stuff too.

You should be able to do a supervised global search and replace so that
PRINT,
becomes
IF ( KEYWORD_SET(Debug) ) THEN PRINT,

However, if you have a lot of PRINTs, you might want to "block" them, e.g.

IF ( KEYWORD_SET(Debug) ) THEN BEGIN
PRINT, x
PRINT, y
PRINT, a,b,c
....
ENDIF

It depends on how you've written the code. Lots of "IF ( KEYWORD_SET(Debug) )..." lines
could slow things down a bit (and "a bit" multiplied by 10000 is a lot).

A sed or awk filter for the code might also be an option. That is, you run the code
through sed or awk to comment or uncomment the debug print statements depending on your need.

paulv

--
Paul van Delst
CIMSS @ NOAA/NCEP/EMC

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[Message index]

		Re: Suppressing diagnostic messages en masse By: David Fanning on Fri, 03 February 2006 10:11
		Re: Suppressing diagnostic messages en masse By: Jean[1] on Fri, 03 February 2006 09:43
		Re: Suppressing diagnostic messages en masse By: Paul Van Delst[1] on Thu, 02 February 2006 17:06
		Re: Suppressing diagnostic messages en masse By: David Fanning on Thu, 02 February 2006 17:03
		Re: Suppressing diagnostic messages en masse By: mmeron on Thu, 02 February 2006 17:00
		Re: Suppressing diagnostic messages en masse By: David Fanning on Thu, 02 February 2006 16:57

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