通过shell脚本实现从文件中读取数据的几种方法

#!/bin/sh#the fisrt methodwhile read datado echo $datadone < test.info#the second methodcat test.info | while read linedo echo $linedone#the third methodfor line in `cat test.info`doecho $linedone

#将命令执行的结果赋值给变量的两种方法

#!/bin/sh#判断当前目录下文件名中包含e字符的var=$(ls | grep e);

echo $var

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#!/bin/sh

var=`ls | grep e`

echo $var