쿼테이션

http://stackoverflow.com/questions/6697753/difference-between-single-and-double-quotes-in-bash   – 답변 내용 중 – For example, this #!/bin/sh MYVAR=sometext echo “double quotes gives you $MYVAR” echo ‘single quotes gives you $MYVAR’   will give this: double quotes gives you sometext single quotes gives you $MYVAR       변수 값이 들어가느냐 아니냐의 차이