shell 输出文件内容

cat $filepath | while read line; do echo $line ; done

#!/bin/bash
#filepath=/opt/jenkins_home/workspace/dev-demo-haha/target/classes/application.yml
filepath=$1
if [ -f $filepath ]; then
echo -e "nnn"
echo "================= print file $filepath start ===================="
cat $filepath | while read line; do echo $line ; done
echo "================= print file $filepath end ===================="
echo -e "nnn"
else
echo "================>$filepath is not found, print file faild"
fi