11-05-2005
This may not be efficient, but it works:
I am assuming that all the acct nos are placed in a file vertically. For ex. if you need data regarding accounts 123 and 456 they are present in a file in the following format:
acct_file:
123
456
Use sed to reformat the file like this:
sed 's/^/ACCOUNT NO /g' acct_file|sed 's/$/,/g' >temp
temp:
ACCOUNT NO 123,
ACCOUNT NO 456,
Use this as a pattern file for grep, and use paste on the information containing file (lets call it acct_info):
paste -s -d",,,,\n" acct_info|grep -f temp
(paste will horizontally paste every 5 rows of the file. grep uses temp as a pattern file)
Hope this helps.
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SG(1) User Commands SG(1)
NAME
sg - execute command as different group ID
SYNOPSIS
sg [-] [group [-c ] command]
DESCRIPTION
The sg command works similar to newgrp but accepts a command. The command will be executed with the /bin/sh shell. With most shells you may
run sg from, you need to enclose multi-word commands in quotes. Another difference between newgrp and sg is that some shells treat newgrp
specially, replacing themselves with a new instance of a shell that newgrp creates. This doesn't happen with sg, so upon exit from a sg
command you are returned to your previous group ID.
CONFIGURATION
The following configuration variables in /etc/login.defs change the behavior of this tool:
SYSLOG_SG_ENAB (boolean)
Enable "syslog" logging of sg activity.
FILES
/etc/passwd
User account information.
/etc/shadow
Secure user account information.
/etc/group
Group account information.
/etc/gshadow
Secure group account information.
SEE ALSO
id(1), login(1), newgrp(1), su(1), gpasswd(1), group(5), gshadow(5).
shadow-utils 4.5 01/25/2018 SG(1)