写法一:
#!/bin/bash while read line do echo $line done < filename(待读取的文件)
#!/bin/bash cat filename(待读取的文件) | while read line do echo $line done
for line in `cat filename(待读取的文件)` do echo $line done
for 逐行读会分割行内容
原文:https://www.cnblogs.com/bob-coder/p/11502308.html