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