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Top Forums Programming awk programming Post 302520953 by pflynn on Monday 9th of May 2011 09:05:51 PM
Old 05-09-2011
This is pretty straight: all you need to do is to initialize a variable, say, count, to zero and then increment it whenever you find a value that matches the condition. Of course, there are different ways you can think how to test the condition:

Code:
'BEGIN { count=0 }  $1 >= 100  { count++} END {print count}'

Code:
'BEGIN { count=0 }  { if($1 >= 100) count++} END {print count}'

I think that the first one is more like the awk way of thinking.
 

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LEARN ABOUT CENTOS

gsl-randist

GSL-RANDIST(1)						      General Commands Manual						    GSL-RANDIST(1)

NAME

       gsl-randist - generate random samples from various distributions

SYNOPSYS

       gsl-randist seed n DIST param1 param2 [..]

DESCRIPTION

       gsl-randist  is a demonstration program for the GNU Scientific Library.	It generates n random samples from the distribution DIST using the
       distribution parameters param1, param2, ...

EXAMPLE

       Here is an example.  We generate 10000 random samples from a Cauchy distribution with a width of 30 and histogram them over the range  -100
       to 100, using 200 bins.

	    gsl-randist 0 10000 cauchy 30 | gsl-histogram -100 100 200 > histogram.dat

       A  plot	of  the  resulting histogram will show the familiar shape of the Cauchy distribution with fluctuations caused by the finite sample
       size.

	    awk '{print $1, $3 ; print $2, $3}' histogram.dat | graph -T X

SEE ALSO

       gsl(3), gsl-histogram(1).

AUTHOR

       gsl-randist was written by James Theiler and Brian Gough.  Copyright 1996-2000; for copying conditions see the GNU General Public Licence.

       This manual page was added by the Dirk Eddelbuettel <edd@debian.org>, the Debian GNU/Linux maintainer for GSL.

GNU
																    GSL-RANDIST(1)
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