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Full Discussion: Monitor File Changes
Top Forums Shell Programming and Scripting Monitor File Changes Post 77512 by vino on Sunday 10th of July 2005 05:26:18 AM
Old 07-10-2005
Here's something for you...

Code:
#! /bin/sh

# This is the log that will be monitored. 
# If any changes occur to this, then take appropriate action.
MONITORED_LOG=/tmp/goreb.log

# We will need this log to see whether any changes occured to /tmp/goreb.log
TEMP_LOG=/tmp/.goreb.log.1

# This is a 1-time command i.e. create the log file if it does nto exist.
[ ! -f $TEMP_LOG ] && touch -r $MONITORED_LOG $TEMP_LOG

[ $MONITORED_LOG -nt $TEMP_LOG ] && echo "$MONITORED_LOG is newer than $TEMP_LOG. Carry out your required operations"

# Update $TEMP_LOG with the new modified date of $MONITORED_LOG
touch -r $MONITORED_LOG $TEMP_LOG

Vino
 

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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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