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Full Discussion: how to extract a string value from the given line
Top Forums Shell Programming and Scripting how to extract a string value from the given line Post 302239240 by gaurav_1711 on Tuesday 23rd of September 2008 07:00:05 AM
Old 09-23-2008
Question how to extract a string value from the given line
Hi

I have an input as follows:

param1:value1|param2:value2|param3:value3|param4:value4|param5:value5

where, "|" and ":" are delimiters

Now suppose, I want to extract the value corresponding to "param4", i.e. "value4" in this case.

In case we use awk, I want to use the value in shell finally.

The position of "param4:value4" can be anywhere in the line,i.e., there might be a "|" after "param4:value4" or may be not.

The record "param4:value4" will surely exist, others might not

The OS details are as follows:

SunOS
Release: 5.9
Kernel architecture: sun4u
Application architecture: sparc
Hardware provider: Sun_Microsystems


If somebody could help, its will be gr8 !!

Tnx
Gaurav
 

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LEARN ABOUT DEBIAN

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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