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how to know number of lines from input file

From: febty febriani
Subject: how to know number of lines from input file
Date: Wed, 7 Oct 2009 11:56:32 +0900
Dear all,

If I have command like below :

fh=fopen("$dir/data-1day-1Hz/result-${year}${month}${num}.dat","r");
y=fscanf(fh,"%lf");

are there any tricks to know number of lines from the input file?
any helps are appreciated.
thanks very much.


best regards,
febty

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febty febriani
Indonesian Institute of Sciences
Research Center for Physics
Kompleks PUSPIPTEK
Serpong, Indonesia, 15314
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