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Full Discussion: comparing files - adding/subtracting/formating columns
Top Forums Shell Programming and Scripting comparing files - adding/subtracting/formating columns Post 302202809 by radoulov on Thursday 5th of June 2008 06:46:27 PM
Old 06-05-2008
You can use something like this:
(use nawk or /usr/xpg4/bin/awk on Solaris)

Code:
awk 'NR == FNR { 
  sub(/,/, "")
  _[$1] = $2 
  next 
  }
FNR == 1 { 
  printf "%4s %5s %8s %8s %14s\n", 
  "FS", "Total", "Used+Adj", "Free-Adj", "(Used+Adj)/Total"
  while (++i < 46) printf "-"
  print ""
  next
  }           
$1 in _ { 
  $3 += _[$1]
  $4 -= _[$1] 
  $5 = $3/$2*100 
  }
{
  printf "%4s %5d %8d %8d %14d%\n",
  $1, $2, $3, $4, $5
  }' file2.txt file1.txt

 

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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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