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Cron doesn't run job in background
12-26-2013
Cron doesn't run job in background
Linux server : Red Hat Enterprise Linux Server release 5.3 Beta (Tikanga) File : /ntwrk/common/backup_in_progress.txt
#chk_job_start.sh <------ to catch start time
#/bin/bash
while [ 0 ]
do
#if 0b file exists
if [ -e /ntwrk/common/backup_in_progress.txt ]
then
#Record the start time
tm=`date "%H%M"`
echo "$tm" > /home/sam/Backup_Started
#initiate job2
/bin/bash chk_job_end.sh &
#exit
exit 0
else
#loop every 10 secs unless the 0b file is found
sleep 10
fi#chk_job_end.sh
#!/bin/bash
while [ 0 ]
do
#if 0b file still exists
if [ -e /ntwrk/common/backup_in_progress.txt ]
then
#loop every 10 secs unless the 0b file is not found
sleep 3
else
#Record the finish time
tm=`date "+%Y%m%d %H%M"`
echo "$tm" > /home/sam/Backup_Finished
#exit
exit 0
fi
done01 00 * * * /bin/bash /home/sam/chk_job_strt.sh
12-26-2013
#/bin/bash
while [ 0 ]
do
#if 0b file exists
if [ -e /ntwrk/common/backup_in_progress.txt ]
then
#Record the start time
tm=`date "+%Y%m%d %H%M"`
echo "$tm" > /home/sam/Backup_Started
while [ -e /ntwrk/common/backup_in_progress.txt ]; do
echo "test" > /dev/null #do something till the file goes off :D
done
#Record the end time
tm=`date "+%Y%m%d %H%M"`
echo "$tm" > /home/sam/Backup_Finished
exit 0
else
#loop every 10 secs unless the 0b file is found
sleep 5
fi
12-27-2013
Helps in debugging#!/bin/bash EXEC_DIR=/home/sam cd $EXEC_DIR /bin/bash $EXEC_DIR/chk_job_end.sh &
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