[gradsusr] get output from shell command

[Charles Seman]

Bernd,

Arindam Chakraborty sent a technique to the Listserv (email exchange 
attached):

'!date > sysdate.dat'
 d = read('sysdate.dat')
 d1 = sublin(d,2)
 say d1



Hope this helps,
Chuck

Becker, Bernd wrote:
> Hello,
>
> how do I get the output from shell command "date"
> into the grads shell?
>
> '!date'
> res  = result
> say rc    res
> res=sublin(rc,2)
> say rc    res
> say subwrd(res   ,2)
>
> doesn't do it.
>
> Te following does, but with caveats:
> I got this far: 
>
> '!date -d 'fxdate' +%b > ./erp2' 
> record2=read('./erp2')
> mon=sublin(record2,2)
>
> but it is unsave if multiple processes run in parallel and 
> overwrite erp2. Not good enough.
>
> many thanks!
>
> Bernd.
>
> --
> Bernd Becker   Climate Impacts Product Development
> Met Office Hadley Centre    FitzRoy Road  Exeter   Devon EX1 3PB  United
> Kingdom
> Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
> E-mail:bernd.becker at metoffice.gov.uk -
> http://www.metoffice.gov.uk/research/our-scientists/seasonal-to-decadal/
> bernd-becker
>
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>   

-- 

Please note that Charles.Seman at noaa.gov should be considered my NOAA
email address, not cjs at gfdl.noaa.gov.

********************************************************************
 Charles Seman                                Charles.Seman at noaa.gov
 U.S. Department of Commerce / NOAA / OAR
 Geophysical Fluid Dynamics Laboratory         voice: (609) 452-6547
 201 Forrestal Road                              fax: (609) 987-5063
 Princeton, NJ  08540-6649            http://www.gfdl.noaa.gov/~cjs/
********************************************************************

"The contents of this message are mine personally and do not reflect any
official or unofficial position of the United States Federal Government,
the United States Department of Commerce, or NOAA."

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: system_date
Url: http://gradsusr.org/pipermail/gradsusr/attachments/20110316/bb6f425f/attachment-0003.pl