0054. 포지션인자와 명령줄인자

$0	현재 shell script 의 이름 참조
$#	포지션인자의 갯수
$*	모든 포지션인자들로 평가된다
$@	$* 와 같은 의미를 지니지만 " " 를 사용한다
"$@"	"$1" "$2" "$3"
"$*"	"$1 $2 $3"
#!/bin/ksh print The name of this script is $0 print The argument are $* print The first argument is $1 print The Second argument is $2 print The number of argument is $# oldparameters=$* set oany dany ever print All the positional parameter are $* print The number of positional parameter is $# print $oldparameters set -- print Good-bye for now, $1 set $oldparameters print $*
$ ksh args kkk 111 bbb The name of this script is args The argument are kkk 111 bbb The first argument is kkk The Second argument is 111 The number of argument is 3 All the positional parameter are oany dany ever The number of positional parameter is 3 kkk 111 bbb Good-bye for now, kkk 111 bbb