script to monitor directory Post: 302227947

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Top Forums Shell Programming and Scripting script to monitor directory Post 302227947 by ddreggors on Friday 22nd of August 2008 09:58:52 AM

08-22-2008

Registered User

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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NAME

       apple_dump - Dump AppleSingle/AppleDouble format file

SYNOPSIS

       apple_dump [-a] FILE | DIR
							  apple_dump -f FILE
							  apple_dump -d FILE
							  apple_dump -h | -help | --help
							  apple_dump -v | -version | --version

DESCRIPTION

       apple_dump dump AppleSingle/AppleDouble format file.

OPTIONS

       -a FILE|DIR
	   This is default. Dump a AppleSingle/AppleDouble file for FILE or DIR automatically. Extrapolate FinderInfo type from absolute path. If
	   FILE is not AppleSingle/AppleDouble format, look for .AppleDouble/FILE and ._FILE. If DIR, look for DIR/.AppleDouble/.Parent and ._DIR.

       -f FILE
	   Dump FILE. Assume FinderInfo to be FileInfo.

       -d FILE
	   Dump FILE. Assume FinderInfo to be DirInfo.

       -h, -help, --help
	   Display the help and exit

       -v, -version, --version
	   Show version and exit

NOTE

       There is no way to detect whether FinderInfo is FileInfo or DirInfo. By default, apple_dump examins whether file or directory, a parent
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