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Full Discussion: script to monitor directory
Top Forums Shell Programming and Scripting script to monitor directory Post 302227947 by ddreggors on Friday 22nd of August 2008 09:58:52 AM
Old 08-22-2008
Nice work otheus, I have been playing with that and, here is a test script that you can change as you need.

Some points,

1. The file must exist so "touch" test1.txt first
2. You will need to open 2 terminals and open the file you are testing in vi/vim on one and run this in another.
3. Use sudo or run as root (lsof requires root on RedHat)


Code:
#!/bin/bash

# Assuming you will use fileschaned output to get new filename 
# and also assuming that you will want to test THIS process before
# trying to incorperate fileschanged into the process...
# I wrote this as a test of the lsof side of the code.


# Assuming you test from your (not root) home directory and use sudo
# change as needed

WHO=`who am i |awk '{print $1}'`
DIR="/home/$WHO"
FILE=".test1.txt.swp"
CTR=0

while true
do
        # Attempt to sanely exit after 3 runs
        if [ "$CTR" -eq 3 ]
        then
                killall vim
        fi

        # Do you file open/closed logic here
        if [ -f $DIR/$FILE ]
        then
                LSOF=`lsof $DIR/$FILE`
        else
                unset LSOF
        fi
        echo -n `date +%s`:
        if [ -n "$LSOF" ]
        then
                echo "$DIR/$FILE is OPEN";
        else
                echo "$DIR/$FILE is CLOSED";
                exit
        fi
        CTR=`expr $CTR + 1`
done

here is the output:

1219411794:/home/ddreggors/.test1.txt.swp is OPEN
1219411794:/home/ddreggors/.test1.txt.swp is OPEN
1219411794:/home/ddreggors/.test1.txt.swp is OPEN
1219411794:/home/ddreggors/.test1.txt.swp is CLOSED
Last edited by ddreggors; 08-22-2008 at 11:18 AM..
 

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LEARN ABOUT OSF1

itruns

itruns(8)						      System Manager's Manual							 itruns(8)

NAME

       itruns - set up files for use by the it command

SYNOPSIS

       /sbin/itruns file [file...] in run-state [, file [file...] in run-state] [,...]

DESCRIPTION

       The  itruns  program  sets  up scripts to be run by it(8).  (These programs are typically used within system configuration and installation
       scripts.)  The itruns command searches for /sbin/it.d/bin/file. If itruns finds the file, it  creates  one  or  more  symbolic  links  from
       /sbin/it.d/run-state.d/file to /sbin/it.d/bin/file.

       The  run-state  argument can be a single run state, or it can be two run states separated by either the word or or the word and. If two run
       states are specified with the or keyword, itruns checks for (and creates, if necessary) a directory whose name combines both run states and
       places  a link in that directory so that the file will be executed when the it program detects either state.  You can collapse two or-sepa-
       rated states into a single expression; for example, 2 or 3 can be expressed as 23. If the and keyword is used, itruns checks for (and  cre-
       ates, if necessary) two separate directories and places a link in each of them so that either state triggers execution of the file indepen-
       dently of the other state.

       If two or more files are specified for a single run-state argument, links are created for all of the files as indicated	by  the  run-state
       argument.

       If  two or more combinations of files and run states are specified as comma-separated expressions, itruns treats each combination individu-
       ally.

RESTRICTIONS

       The itruns command must be executed from the root directory (/). The command finds only files that are located in the /sbin/it.d/bin direc-
       tory.

EXAMPLES

       This  example  sets  up	the doconfig script to be run when the system is booted to run state 2: itruns doconfig in 2 Either of the command
       lines in this example sets up the doconfig and getdate scripts to be run when the system is booted to run state 2 or to run state 3: itruns
       doconfig  getdate  in  2 or 3 itruns doconfig getdate in 23 This example sets up the doconfig script to be run when the system is booted to
       run state 2 and again when the system comes to run state 3, the getdate script to be run only in run state 2, and the getsysname script	to
       be run only in run state 3: itruns doconfig in 2 and 3, getdate in 2, getsysname in 3

SEE ALSO

       Commands: it(8)

																	 itruns(8)
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