[gradsusr] How to define the diretory in grads script?

LI Qi liqi123sh at qq.com
Tue Apr 12 06:17:05 EDT 2016

e.g., the .ctl file, data, and output figs are all in the same directory

how do I define the dir in the .gs script like

dir = 'E:\data\merge_pcp\2010\jun\'

'open 'dir+'a.ctl'
'gxprint 'dir+'\rain24h.png' 

so I can just modify the "dir"

Any hint will be appreciated!
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