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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 302516424 by aemunathan on Saturday 23rd of April 2011 03:31:32 AM
Old 04-23-2011
Hi,

In a hurry i posted that requirement and searched immediately and got some clue...but i tried the following way i could not succeed.
Code:
#!/bin/bash
time=$(ls -l /home/dg/sm.ini | /usr/xpg4/bin/awk -F" "  '{ print $8 }')
timehr=$(echo $time | /usr/xpg4/bin/awk -F: '{print $1}')
timemin=$(echo $time | /usr/xpg4/bin/awk -F: '{print $2}')
while :
do
   chk_time=$(ls -l /home/dg/sm.ini | /usr/xpg4/bin/awk -F" "  '{ print $8 }')
   chk_timehr=$(echo $chk_time | /usr/xpg4/bin/awk -F: '{print $1}')
   chk_timemin=$(echo $chk_time | /usr/xpg4/bin/awk -F: '{print $2}')
if [ "$chk_timehr" != "$timehr" ] && [ "$chk_timemin" != "$timemin" ]
   then
     echo "/home/dg/SM/SMfile"
      sleep 5
      echo "/home/dg/SM/SMomAlarm"
   fi
   sleep 5  # 5sec wait time
done

pls help me
 

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LEARN ABOUT OPENSOLARIS

dirname

basename(1)							   User Commands						       basename(1)

NAME

       basename, dirname - deliver portions of path names

SYNOPSIS

       /usr/bin/basename string [suffix]

       /usr/xpg4/bin/basename string [suffix]

       dirname string

DESCRIPTION

       The  basename  utility deletes any prefix ending in / and the suffix (if present in string) from string, and prints the result on the stan-
       dard output. It is normally used inside substitution marks (``) within shell procedures.

   /usr/bin
       The suffix is a pattern defined on the expr(1) manual page.

   /usr/xpg4/bin
       The suffix is a string with no special significance attached to	any of the characters it contains.

       The dirname utility delivers all but the last level of the path name in string.

EXAMPLES

       Example 1 Setting environment variables

       The following example, invoked with the argument /home/sms/personal/mail sets the environment variable NAME to the file named mail and  the
       environment variable MYMAILPATH to the string  /home/sms/personal:

	 example% NAME=`basename $HOME/personal/mail`
	 example% MYMAILPATH=`dirname $HOME/personal/mail`

       Example 2 Compiling a file and moving the output

       This  shell  procedure,	invoked  with  the argument /usr/src/bin/cat.c, compiles the named file and moves the output to cat in the current
       directory:

	 example% cc $1
	 example% mv a.out `basename $1 .c`

ENVIRONMENT VARIABLES

       See environ(5) for descriptions of the following environment variables that affect  the execution of basename and  dirname:  LANG,  LC_ALL,
       LC_CTYPE, LC_MESSAGES, and NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0     Successful completion.

       >0    An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

   /usr/bin
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

   /usr/xpg4/bin
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWxcu4			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       expr(1), basename(3C), attributes(5), environ(5), standards(5)

SunOS 5.11							    18 Mar 1997 						       basename(1)
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