쉘스크립트 기본 case문 select문

case문 - 변수의 값에따라 결과가 다르다 문장의 끝줄은 ;;로 끝난다

형식

case 변수값 in

패턴1) 실행명령1;;

패턴2) 실행명령2;;
패턴3 | 패턴4) 실행명령3;;         -- | 는 or

*) 실행명령4;;
esac

echo "case 명령완료"

---------------------------

#!/bin/bash

echo -n "what is your like color?"

read ans

case "$ans" in

r* | b* | g* | b* | w* ) 

esac

echo you like "$ans"

---------------------------

# ./case1.sh 

what is your like color? red

you like red

# ./case1.sh 

what is your like color? black

you like black

----------------------------

#!/bin/bash

echo how do you do?

read con

case "$con" in

good ) echo "good luck";;

not ) echo "sorry";;

* ) echo "bye";;

esac

----------------------------

# ./case.sh 

how do you do?

good

good luck

# ./case.sh 

how do you do?

not

sorry

# ./case.sh 

how do you do?

asd

bye

#!/bin/bash

exe="select : "
select program in ls pwd date exit
do
$program
done
----------------
[root@shell ~]# ./1.sh 
1) ls
2) pwd
3) date
4) exit
#? 1
1.sh  Desktop  anaconda-ks.cfg  install.log  install.log.syslog  source_setup.sh.old  yum_setup.sh.old
#? 2
/root
#? 3
2009. 12. 06. (ÀÏ) 08:40:33 KST
#? 4
[root@shell ~]#