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How to use for and if?
06-06-2017
cat 123.txt ram suresh John
for chat in $(cat /tmp/t123.txt| head -1)
do
call=`grep -i incoming /home/$chat | wc -l `
if [ -n "$call" ]
then
echo " got incoming call from $chat "
else
echo "no incoming calls from $chat "
CHK=$(cat /tmp/t123.txt )
printf "1d\nw\nq\n" | ed -s $CHK
if [ $CHK -ge 1 ]
then
chat ++
else
exit 0
fi
done
got incoming call from ram got incoming calls from suresh got incoming calls from John
... so appericiate your help here