Answer / srinivas

Assuming the *.arc files are getting generated under every
5 minutes..

Create script.sh and cut paste the following contents
--------------------------
while true
do
for i in `ls *.arc` ;
do
ls *.arc 2> /dev/null
if [ $? -eq 0 ]
then
gzip $i
else
echo "No files to be zipped at this moment...Exiting"
exit 1
done
sleep 300
done
--------------------------

Hope this helps

-- Srini

Answer / vipul dalwala

while true
do
find . -name *.arc -exec gzip {} \;
sleep 300
done

Answer / vipul dalwala

while true
do
THIRDFILE=`ls -t | sed -n '3p'`
find . -name '*.arc' ! -newer ${THIRDFILE} -exec gzip {}
\;
sleep 300
done

Answer / sandeep

Mr srinivas , i want last 2 files not to be zipped, rest
files should be zipped...

Answer / narendrasairam

One way is to keep the code snippet in while loop with a
sleep time of 300 seconds (expecting 5 minutes time gap)


while true
do
FILE_EXIST_CHECK=`ls -l | grep ^- | wc -l`
if [ $FILE_EXIST_CHECK -ne 0 ];
then
if [ -f *.arc ];
then
ls *.arc > arc_files.lst
while read arc_filename
do
/usr/local/bin/gzip $arc_filename > /dev/null 2>&1
done < arc_files.lst
fi
else
echo " There are no .arc files existing...."
fi
sleep 300;
done

The other way is to schedule the job using crontab with a
time slice of minutes with out keeping in while true loop.

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