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Shell Programming and Scripting
processing a file with sed and awk
Post 302139184 by reborg on Thursday 4th of October 2007 06:23:17 PM
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Input File:
1234, 2345,abc
1,24141,gw
222,rff,sds
2232145,sdsd,121
Output file to be generated:
000001234,2345,abc
000000001,24141,gw
000000222,rff,sds
002232145,sdsd,121
i.e; the first column is padded to get 9 digits.
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Input File:
1234, 2345,abc
1,24141,gw
222,rff,sds
2232145,sdsd,121
Output file to be generated:
000001234,2345,abc
000000001,24141,gw
000000222,rff,sds
002232145,sdsd,121
i.e; the first column is padded to get 9 digits.
I tried with following: (3 Replies)
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LEARN ABOUT REDHAT
unexpand
UNEXPAND(1) FSF UNEXPAND(1) NAME
unexpand - convert spaces to tabs SYNOPSIS
unexpand [OPTION]... [FILE]... DESCRIPTION
Convert spaces in each FILE to tabs, writing to standard output. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --all convert all whitespace, instead of initial whitespace -t, --tabs=NUMBER have tabs NUMBER characters apart instead of 8 -t, --tabs=LIST use comma separated list of explicit tab positions --help display this help and exit --version output version information and exit AUTHOR
Written by David MacKenzie. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for unexpand is maintained as a Texinfo manual. If the info and unexpand programs are properly installed at your site, the command info unexpand should give you access to the complete manual. unexpand (coreutils) 4.5.3 February 2003 UNEXPAND(1)