• 指定换行符读取

  
  #! /bin/bash  

cat "/etc/passwd" | while read LINE
do echo $LINE done

 - 文件重定向给read处理

! /bin/bash

IFS=""

for LINE in cat /etc/passwd do
echo $LINE done

 - 用read读取文件重定向

! /bin/bash

while read LINE do echo $LINE done < /etc/passwd