CheckDATfileANDKillEngineANDRestart.sh: line 18: [: -gt: unary operator expected
DAT File size lesser
 
CheckDATfileANDKillEngineANDRestart.sh: line 18: [: -gt: unary operator expected
DAT File size lesser
Segmentation fault

#!/bin/sh
 
 
engineEXECUTE()
{
 
sleep 2
echo "In the engine function"
killENGINE
 
}
 
checkFILESIZE()
{
FILESIZE=$(ls -al File.dat | awk '{print $5}')
echo $FILESIZE
 
if [ "$FILESIZE" -gt 60000 ]; then
echo "DAT File size greater"
engineEXECUTE
else
echo "DAT File size lesser"
checkFILESIZE
fi
}
 
killENGINE()
{
sleep 2
echo "Inside KILLENGINE"
 
 
ps -ef | grep -i "CONTROLFILE" > tmpPROCESS
cat tmpPROCESS | grep -v grep | awk '{print $2}' > tmpPID
 
kill -9 $(cat tmpPID | head -1)
OUT=$?
if [ $OUT -eq 0 ];then
echo " killed"
else
echo " not found"
#<start process>
exit 1
fi
 
kill -9 $(cat tmpPID | tail -1)
OUT=$?
if [ $OUT -eq 0 ];then
echo " killed"
else
echo " not found"
exit 1
fi
 
rm tmpPID
rm tmpPROCESS
 
checkFILESIZE
}
 
checkFILESIZE