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spawn,cmd [message #69885]

Tue, 02 March 2010 03:04

oxfordenergyservices is currently offline

oxfordenergyservices
Messages: 56
Registered: January 2009

Member

Hi All

Just a query which I think I have the answer to, in which case it is
just a comment.

I have to do stuff on about 10,000 files, hundreds of times over and
it takes a while

In playing, I have found that...

spawn,'cat in_filename |uniq >out_filename'

actually takes a lot more time than

reading each file in and uniq and writing out in idl

I haven't really use spawn too much until recently when I found it is
simple to use for certain unix commands but hadn't considered what the
overhead might be. Is there a standard response to this? Avoid
spawns within loops?

Cheers

Russ

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