We have a scenario, like we need to check a particular file if its present or not. This file will be uploaded by an application any time. If its present fine or else it should continue to check every 30 mins, whether the file is present or not...

time period to be check between.
Start time 8 AM
End Time 12.30 PM.

#!/bin/bash
DATE=$(date +%Y%m%d)
file=`find /home/Test/resv_$DATE.dat.zip.pgp -mmin +30`
cd /home/Test/
if [ -e "resv_$DATE.dat.zip.pgp" ]; then
echo "Yes, file exists"
echo "resv_$DATE.dat.zip.pgp" > /usr/local/sysadm/FilePresent.txt
else
sleep 1800
if test $file
then
echo "Yes, file exists"
echo "resv_$DATE.dat.zip.pgp" > /usr/local/sysadm/FilePresent.txt
else
echo "No, file does not exist"
fi
fi



My Condition is like this
1. Check if file is present or not in the given location
2. If present it should update the file name in a text file in another location
3. If file not present in the given location, then it should check every 30 mins, whether the file is there or not.
4. While checking, if the file is present, then it must update the file name in the text file.



This is not working as per the requirement. Request anyone to correct me

For the timing ctrl, just put the script into cron.
Log everything in case of errors etc.

It seems to me you just want to check if a file exists and (if it does) tell another file about it
http://tldp.org/LDP/abs/html/testcon...ml#DBLBRACKETS

See
http://rute.2038bug.com/index.html.gz
http://tldp.org/LDP/Bash-Beginners-G...tml/index.html
http://www.tldp.org/LDP/abs/html/

May I suggest using inotifywait. This eliminates the need for a cron job and will immediately update the file name when it is created.

http://linux.die.net/man/1/inotifywait
http://linuxaria.com/article/introdu...notify?lang=en

2 members found this post helpful.

#!/bin/bash

DATE=$(date +%Y%m%d)
FILE=/home/tester
DSTFILE=/home/tester/resv_$DATE.dat.zip.pgp
cd $FILE
echo "resv_$DATE.dat.zip.pgp" > /usr/local/sysadm/FilePresent.txt
while true; do

inotifywait -e create $DSTFILE &&
echo $DSTFILE
done


But here its checking every sec, I would like to check every 30 mins between 8 - 12.30 PM

what did you use to start the program? if you put it in cron then you can tell it something like the following:
ps, please use "code" "/code" flags (replacing " " with [ ] ) thank you.

inotifywait constantly monitors the specified directory for new files so a cron job is not required. You can start / stop the the bash script via a cron job at the desired times otherwise of constantly monitoring is not desired then lleb post will work.

1 members found this post helpful.

good to know. thanks.

File will dropped in /home/tester at any time between 8.00 AM - 8.00 PM.
DATE=$(date +%Y%m%d)
if time is between 8.00 AM and 8.00 PM then go to below commands.

then

cd /home/Test/
if [[ -e "resv_${DATE}.dat.zip.pgp" ]]
then
echo "resv_${DATE}.dat.zip.pgp" > /usr/local/sysadm/FilePresent.txt
fi

else
No need to do anything.

*** I need to know, how to check if time is between 8.00 AM and 8.00 PM and get to the other commands. I want the script to get in the second loop only if time is between 8.00 AM and 8.00 PM, no need to check in time frame apart

See the date man page; you can specify all sorts of time formats to be output.

This is working fine for me


#!/bin/bash
DATE=`date +%k%M`
date=$(date +%Y%m%d)
echo $date

check_time_to_run()
{
tempTime=$1
if [ $tempTime -gt 800 -a $tempTime -lt 2000 ]; then
echo "Time is between 8 AM and 8PM."
cd /home/tester
if [[ -e "resv_${date}.dat.zip.pgp" ]];then
echo "resv_${date}.dat.zip.pgp" >> /usr/local/sysadm/FilePresent.txt
echo "resv_${date}.dat.zip.pgp"
echo "1"
else
echo "0"
fi
else
echo "No need to check"
fi
}

check_time_to_run $DATE

Glad to hear it
If this is complete, please mark it as solved.
Also, please use code tags https://www.linuxquestions.org/quest...do=bbcode#code in future; its much easier to read.