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Full Discussion: sed or awk to replace a value in a certain line from another file containing a string
Top Forums Shell Programming and Scripting sed or awk to replace a value in a certain line from another file containing a string Post 302654685 by hamnsan on Tuesday 12th of June 2012 07:11:45 AM
Old 06-12-2012
sed or awk to replace a value in a certain line from another file containing a string
Hi experts,


In my text file I have the following alot of lines like below.



input.k is as follows.


Code:
2684717    -194.7050476      64.2345581     150.6500092       0       0
2684718    -213.1575623      62.7032242     150.6500092       0       0
*INCLUDE
$# filename
./meshes/exportneu/147.k
*END

mesh.k is as follows

Code:
100

or any other 3 digit number

I want to replace the 147.k of this input.k to another number from
another file mesh.k which is 100 in this case..



Required output is as follows


Code:
2684717    -194.7050476      64.2345581     150.6500092       0       0
2684718    -213.1575623      62.7032242     150.6500092       0       0
*INCLUDE
$# filename
../meshes/exportneu/100.k
*END

I used

Code:
sed '/\<meshes\>/!d;=;s/.* ([^ ]\+).*/\1/;R mesh.k' input.k | 
sed 'N;N;s|\n|s/|;s|\n|/|;s|$|/|;q'  >temp.sed       
sed -i -f temp.sed input.k

The point is that I want to replace this
Quote:
147.k to 100.k where 100
is written in another file mesh.k , like in the other file only 100 is present or it could be 3 digit anyother number.
i know it can work with searching the line with word meshes for example and the dividing with last / and piping the data from other file but am not able to formulate the sed or awk.
I hope now you people understand what I mean. regards
Last edited by hamnsan; 06-12-2012 at 08:44 AM..
 

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LEARN ABOUT DEBIAN

mcv

mcv(1)							       Scotch user's manual							    mcv(1)

NAME

       mcv - mesh file converter

SYNOPSIS

       mcv [options] [imfile] [omfile] [oxfile]

DESCRIPTION

       The mcv program converts Scotch mesh files from and to other external file formats.

       File imfile is converted into mesh file omfile, with optional geometry data being put in geometry file oxfile, if it is available.

       When file names are not specified, data is read from standard input and written to standard output. Standard streams can also be explicitly
       represented by a dash '-'.

       When the proper libraries have been included at compile time, mcv can directly handle compressed meshes, both as input and output. A stream
       is treated as compressed whenever its name is postfixed with a compressed file extension, such as in 'brol.msh.bz2' or '-.gz'. The compres-
       sion formats which can be supported are the bzip2 format ('.bz2'), the gzip format ('.gz'), and the lzma format ('.lzma', on input only).

OPTIONS

       -h     Display some help.

       -iifmt Set format of input mesh file, which can be:

	      bnum   Boeing-Harwell format. This is an elemental matrix format. Only square matrices are supported. In case the file contains sev-
		     eral  matrices, the num parameter allow the user to provide the index of the matrix to convert, starting from 0. When the num
		     parameter is not set, it is assumed to be 0.

	      s      Scotch mesh format.

       -oofmt Set format of output mesh file, which can be:

	      s      Scotch mesh format. This is the only possible choice at the time being.

       -V     Display program version and copyright.

EXAMPLE

       Convert a Harwell-Boeing elemental mesh into a Scotch mesh.

	   $ mcv -ib brol.hb brol.msh

SEE ALSO

       mtst(1), mord(1).

       Scotch user's manual.

AUTHOR

       Francois Pellegrini <francois.pellegrini@labri.fr>

								 February 14, 2011							    mcv(1)
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