The shell reads files in a loop

3 methods for shell to read files line by line

#!/bin/bash
#set -x
for line in `cat /root/shizonghao/1.sh`
do

echo $line
done

#!/bin/bash
while read line
do
echo $line
done < cat /root/shizonghao/1.sh

#!/bin/bash
cat  /root/shizonghao/1.sh | while read line
do
echo $line
done