how to use while after if???
Code:
file=/tmp/test
if cmp /tmp/1 /tmp/2 &> /dev/null
then echo "fail check ok"
while [ ! -s $file ]; do
echo "$file is empty"
wget http://link -O /tmp/test
sleep 3
done
cat /tmp/test
else echo "fail check fail"
do some action
fi