J Bobby Lopez

#!/bin/bash

# Script to load Dzen with output from 'dzen-mounts.pl' script
# Written by J. Bobby Lopez <jbl@jbldata.com> - 27 Jan 2010
#
# This script utilizes the Dzen notification system
# Information on Dzen can be found at http://dzen.geekmode.org/

#DZPATH=`echo -ne "$0" | sed -e 's/\/dzen.*$//'`;
#echo $DZPATH;

function mountlines
{
        LINES=`perl /home/jbl/bin/myscripts/dzen-mounts.pl  | wc -l`;
        echo "$LINES"
}

function freshmounts
{
        OUTPUT=`perl /home/jbl/bin/myscripts/dzen-mounts.pl`;
        echo "$OUTPUT"
}

function rundzen
{
        OUTPUT=`freshmounts`;
        MOUNTLINES=`mountlines`;
        echo "$OUTPUT" | dzen2 -p -l "$MOUNTLINES" -u -x 500 -y 0 -w 600 -h 12 -tw 120 -ta l &
        PID=`pgrep -f "dzen2 -p -l $MOUNTLINES -u -x 500 -y 0 -w 600 -h 12 -tw 120 -ta l"`;
        echo "$PID"
}

function killdzen
{
        PID="$1"
        if [ ! "$PID" ]; then
            MOUNTLINES=`mountlines`;
            PID=`pgrep -f "dzen2 -p -l $MOUNTLINES -u -x 500 -y 0 -w 600 -h 12 -tw 120 -ta l"`;
        fi

        if [ "$PID" ]; then
            #echo "Killing $PID..";  # DEBUG STATEMENT
            kill "$PID";
        fi;
}

function checkchanges
{
    while true; do
        NEW=`freshmounts`;
        #echo "$NEW - new";  # DEBUG STATEMENT
        if [ "$OLD" != "$NEW" ]; then
            killdzen "$PID";
            rundzen;
            #echo "$PID started";  # DEBUG STATEMENT
            OLD="$NEW";
            #echo "$OLD - old updated"  # DEBUG STATEMENT
        fi
        sleep 1;
    done
}

checkchanges