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Top Forums Shell Programming and Scripting awk how to replace specific field with new value Post 302511406 by setepo on Wednesday 6th of April 2011 05:55:26 PM
Old 04-06-2011
awk how to replace specific field with new value

I need to replace specific field (x) in a table with new value (y):


Input:

1 2 3 4
5 x 6 7
8 9 0 0


Output:

1 2 3 4
5 y 6 7
8 9 0 0


I have no idea how to do this.
 

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SLUGIMAGE(1)						      General Commands Manual						      SLUGIMAGE(1)

NAME
slugimage - Manipulate NSLU2 firmware images SYNOPSIS
slugimage [-p|-u] [options] DESCRIPTION
slugimage can be used to create or unpack NSLU2 firmware images. OPTIONS
-d, --debug Turn on debugging output -q, --quiet Turn off status messages -u, --unpack Unpack a firmware image -p, --pack Pack a firmware image -l, --little Convert Kernel and Ramdisk to little-endian -i, --input Input firmware image filename -o, --output Output firmware image filename -b, --redboot Input/Output RedBoot filename -k, --kernel Input/Ouptut Kernel filename -s, --sysconf Input/Output SysConf filename -r, --ramdisk Input/Output Ramdisk filename(s) -f, --fisdir Input/Output FIS directory filename -y, --payload Input/Output Payload filename -t, --trailer Input/Output Trailer filename -e, --ethaddr Set the Ethernet address AUTHOR
This man page was written by Joey Hess, <joey@kitenet.net>. SLUGIMAGE(1)
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