shell 读取文件

list=`cat $1`
for val in $list
do
   echo $val
done

while read line
do
    echo $line
done < test.txt

3. 查找文件内容 并赋值变量

a=`grep -i 'versions_ent.environment=' $1`; 

for val in $a
do
        echo "grep->"$val
done