shell脚本中读取文件的方法

例子：

 

#!/bin/bash

 

_FILE_NAME_=$1

 

function read_file_1()

{

while read _LINE_

do

printf "${_LINE_}\n"

done < ${_FILE_NAME_}

}

 

function read_file_2()

{

cat ${_FILE_NAME_} | while read _LINE_

do

printf "${_LINE_}\n"

done

}

 

printf "read_file_1:\n"

read_file_1

 

printf "#################\n"

printf "read_file_2:\n"

read_file_2

 

执行结果：

tay@tay:/mnt/hgfs/hzs/shell$ cat a.txt

number name birthday gender

1234 zhangsan 19911212 man

4567 lisi 20011212 woman

5214 wangmazi 20411012 man

4574 jia 20320101 woman

1456 yan 20000101 woman

tay@tay:/mnt/hgfs/hzs/shell$ ./read_file.sh a.txt

read_file_1:

number name birthday gender

1234 zhangsan 19911212 man

4567 lisi 20011212 woman

5214 wangmazi 20411012 man

4574 jia 20320101 woman

1456 yan 20000101 woman

#################

read_file_2:

number name birthday gender

1234 zhangsan 19911212 man

4567 lisi 20011212 woman

5214 wangmazi 20411012 man

4574 jia 20320101 woman

1456 yan 20000101 woman

tay@tay:/mnt/hgfs/hzs/shell$