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Top Forums UNIX for Advanced & Expert Users Find and replace the line in text file Post 302659151 by rammm on Wednesday 20th of June 2012 11:46:48 AM
Old 06-20-2012
Find and replace the line in text file

I have two files
a.txt
b.txt
I want to find a line in a.txt and replace by another line from b.txt

Code:
 a.txt
asfsdfsfsfdfsf
asfwererfgdgf
wrerwetretfdg

Code:
 b.txt
werdfgdfgf
werergfdgd
sfdfgfgfgfgg

i want to replace the 1st line of a.txt by 1st line of b.txt

i want out put as
Code:
a.txt
werdfgdfgf
asfwererfgdgf
wrerwetretfdg

i want the script for it.pls help
 

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MPI_KMEANS(1)						      General Commands Manual						     MPI_KMEANS(1)

NAME
mpi_kmeans - K-Means clustering tool SYNOPSIS
mpi_kmeans [options] DESCRIPTION
mpi_kmeans is a program that uses k-means clustering to produce a list of cluster centers. The resulting data can be used by mpi_assign(1) to assign points to those cluster centers. OPTIONS
A summary of options is included below. Generic Options: --help Produce help message Input/Output Options: --data file Training file, one datum per line (default: "data.txt") --output file Output file, one cluster center per line (default: "output.txt") K-Means Options: --k num Number of clusters to generate (default: 100) --restarts num Number of k-means restarts (default: 0 = single run) --maxiter num Maximum number of k-means iterations (default: 0 = infinity) EXAMPLES
mpi_kmeans --k 2 --data example.txt --output clusters.txt SEE ALSO
mpi_assign(1) AUTHOR
mpi_kmeans was written by Peter Gehler <peter.gehler@tuebingen.mpg.de>. This manual page was written by Christian Kastner <debian@kvr.at>, for the Debian project (and may be used by others). April 11, 2011 MPI_KMEANS(1)
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