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Top Forums Shell Programming and Scripting Merge group numbers and add a column containing group names Post 302378993 by radoulov on Wednesday 9th of December 2009 09:17:14 AM
Old 12-09-2009
Code:
awk 'NF==1{o=$1;next}$0=o"\t"$0' infile

 

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GROUP(8)						    BSD System Manager's Manual 						  GROUP(8)

NAME
group -- manage group information on the system SYNOPSIS
group add [options] group group del [options] group group info [options] group group mod [options] group DESCRIPTION
The group utility acts as a frontend to the groupadd(8), groupmod(8), groupinfo(8), and groupdel(8) commands. The utilities by default are built with EXTENSIONS. This allows for further functionality. For a full explanation of the options available, please see the relevant manual page. EXIT STATUS
The group utility exits 0 on success, and >0 if an error occurs. SEE ALSO
group(5), groupadd(8), groupdel(8), groupinfo(8), groupmod(8) HISTORY
The group utility first appeared in NetBSD 1.5. It is based on the addnerd package by the same author. AUTHORS
The group utility was written by Alistair G. Crooks <agc@NetBSD.org>. BSD
November 7, 2005 BSD
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