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Full Discussion: Run a script when a file is modified/time stamp changed
Top Forums Shell Programming and Scripting Run a script when a file is modified/time stamp changed Post 302516426 by ahamed101 on Saturday 23rd of April 2011 03:55:35 AM
Old 04-23-2011
Try this

Code:
#!/bin/bash
while :
do
   chk_time=$(ls -l run | awk -F" "  '{ print $8 }')
   chk_timehr=$(echo $chk_time | awk -F: '{print $1}')
   chk_timemin=$(echo $chk_time | awk -F: '{print $2}')
   if [ "$chk_timehr" != "$timehr" ] || [ "$chk_timemin" != "$timemin" ]
   then
     time=$(ls -l run | awk -F" "  '{ print $8 }')
     timehr=$(echo $time | awk -F: '{print $1}')
     timemin=$(echo $time | awk -F: '{print $2}')
     echo "/home/dg/SM/SMfile"
     sleep 5
     echo "/home/dg/SM/SMomAlarm"
   fi
   sleep 5  # 5sec wait time
done

regards,
Ahamed
 

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LEARN ABOUT SUNOS

cssd

cssd(1M)						  System Administration Commands						  cssd(1M)

NAME

       cssd - daemon which invokes and watches the CSs

SYNOPSIS

       /usr/sbin/cssd [-f filename]

AVAILABILITY

       SUNWjfpu

DESCRIPTION

       cssd  is the command which invokes and watches CS available in MLE (Multi Language Environment).  After five seconds of the ending (includ-
       ing abnormal termination) of a CS, cssd re-invokes the CS.

   CS STARTING INFORMATION FILE
       In a CS starting information file, /etc/css.conf by default, some CS starting information directories are described.  This file can be cus-
       tomized.  cssd reads /etc/css.conf to get CS starting information directories, and then it invokes all executable files in the directories.
       Usually, each CS itself is not placed in the directories and is invoked indirectly from a script in one of the directories.

   CS STARTING SCRIPT
       A CS starting script is located in a CS starting information directory.	cssd reads all CS starting information directories in the sequence
       specified  in  /etc/css.conf  and  finds to invoke all CS starting scripts.  If two or more scripts which have the same filename are found,
       cssd invokes only the first one.

   UPDATING CS STARTING INFORMAION
       When cssd receives signal SIGHUP , it re-reads /etc/css.conf and re-finds all CS starting scripts, and then restarts, starts or	terminates
       each script according to the following conditions.

	      A  script  whose	modified  time	is changed (is to be restarted) A script which is newly added (is to be started) A script which is
	      deleted (is to be terminated)

   TO TERMINATE
       When cssd receives signal SIGTERM, it sends SIGTERM to each CS under the cssd's management and terminates itself (in general, each CS  also
       terminates with the signal).

   ERROR INFORMATION
       As a facility of daemon, cssd sends error information at level `err' , and invoke/re-invoke information at level `notice' to syslogd(1M).

OPTION

       -f filenaSpecify a CS starting information file.  Without this option, /etc/css.conf is used.

FILE

       /etc/css.conf	       file for the information of CSs by default

SEE ALSO

       css.conf(4), syslogd(1M)

BUGS

       If  a  CS  starting  script is programmed so that itself is exec-ed by a CS, cssd understands that the process of the CS starting script is
       terminated in spite of the CS's termination, and so puts syslog message out.

SunOS 5.10							    10 Jan 2003 							  cssd(1M)
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