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Top Forums Shell Programming and Scripting Check for Specific Username Password Expire Post 302747603 by nails on Friday 21st of December 2012 06:53:15 PM
Old 12-21-2012
It looks to me that your expr syntax error has to do with non-numeric data. I don't know what perl program $EpochSh does, but if it doesn't print out a number followed by a colon, you will have trouble with this line:


export Eval=`$EpochSh $Epoch | cut -d ':' -f 2`


Could that be your problem?


Also, I would like to gently point out your Useless Use Of Cat (UUOC). If you use a while loop, you can let it do your parsing for $User, $Epoch, and $Maxday:


Code:
#!/bin/ksh
while IFS=":" read User f2 Epoch f4 Maxday therest
do
echo "User: $User"
echo "Epoch: $Epoch"
echo "Maxday: $Maxday"
done < /etc/shadow

Also, if /etc/shadow's lines contained spaces, your code would fail miserably.

Another point: ksh/bash type shells let you do arithmetic, so you don't have to use expr:


Code:
if [[ $Eval == $(($x - 3)) ]]
then
echo "equal"
else
echo "NOT equal"
fi

This User Gave Thanks to nails For This Post:
 

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uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons SYNOPSIS
These shell scripts reside in the following directory: /usr/lib/uucp DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file. This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com- mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script. FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file. RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1) Files: /usr/lib/uucp delim off uudemon(4)
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