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Re: Read Total lines in an ASCII file [message #33334 is a reply to message #33175] Wed, 18 December 2002 14:51 Go to previous messageGo to previous message
thompson is currently offline  thompson
Messages: 584
Registered: August 1991
Senior Member
wmc@bas.ac.uk writes:

(stuff deleted)

>> Spawning "wc -l" is the slowest. Note that this is on Windows 2000 with the
>> Cygwin "wc" command. Unix is much faster at spawning subprocesses than
>> Windows, so method 1b may be competitive there.

> How interesting. Thanks for doing all this. I would certainly hope that
> spawn would be a bit faster under unix. I have a slight feeling that there
> are options to spawn that can make it a bit faster (something about not
> copying the env perhaps?).

The way this is done in Unix is to use the /noshell command, e.g.

spawn, 'wc -l '+filename, result ;Slower
spawn, ['wc','-l',filename], result, /noshell ;Faster

Bill Thompson

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