脚本小练习

MacBook-Pro-8:shelltest baidu$ cat student_info.txt

John 30 Boy

Sue 28 Girl

Wang 25 Boy

Xu 23 girl

MacBook-Pro-8:shelltest baidu$ cat student_while.sh 

while read line 

do 

name=`echo $line | awk '{print $1 }'`  

age=`echo $line |awk '{ print $2 }'` 

sex=`echo $line |awk ' {print $3}'` 

echo $name,$age,$sex 

done < student_info.txt

MacBook-Pro-8:shelltest baidu$ cat student_while.sh | sh 

John,30,Boy

Sue,28,Girl

Wang,25,Boy

Xu,23,girl

MacBook-Pro-8:shelltest baidu$ cat student_while1.sh 

while read line; do name=`echo $line | awk '{print $1 }'` &&age=`echo $line |awk '{ print $2 }'`&& sex=`echo $line |awk ' {print $3}'`&& echo $name,$age,$sex; done < student_info.txt

MacBook-Pro-8:shelltest baidu$ cat student_while1.sh | sh

John,30,Boy

Sue,28,Girl

Wang,25,Boy

Xu,23,girl

MacBook-Pro-8:shelltest baidu$