PoplarYang/while_read.md

Last active August 29, 2019 03:03

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while_read.md

方式一

exec <FILE 
while read line 
do 
    cmd 
done

方式二（推荐）

cat FILE_PATH | while read line 
do 
    cmd 
done

这里的 line 如果写成多个参数，则会把行按空白分割，稍微处理一下，在读取配置文件时，比较好用。

方式三

while read line 
do 
    cmd 
done <FILE

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