一个简单的shell循环

#!/bin/env bash
CODEPATH=/opt/code/
JARPATH=/opt/jar
set -xe
find  ${CODEPATH} -type f -name "*.jar" | tee jar.cache.txt
for line in $(cat jar.cache.txt)
do
        cp ${line} ${JARPATH}
done
rm jar.cache.txt

作用：

循环查找/opt/code下的jar包，推送到/opt/jar目录下

for line一句，逐行读取jar.cache.txt，并执行