example16.15

UNIX[1].shell范例精解(第4版)_code

uname_out=`uname`
case "$uname_out" in
HP-UX)  echo "You are running HP-UX"
	;;
SunOS) echo "You are running Solaris"
	;;
FreeBSD) echo "You are running FreeBSD"
	;;
Linux) echo "You are running Linux"
	;;
Darwin) echo "You are running Mac OS X"
	;;
	*)  echo "Sorry, $uname_out UNIX "
    echo "is not supported by this script"
	;;
esac