database

UNIX[1].shell范例精解(第4版)_code

#!/bin/csh -f
# This script is called database
while (1)
	echo "Select a menu item"
	cat << EOF
	1) Append
	2) Delete
	3) Update
	4) Exit
EOF
	set choice = $<
	switch ($choice)
	case 1:
			echo "Appending"
			break           # Break out of loop; not a breaksw
	case 2:
			echo "Deleting"
			break
	case 3:
			echo "Updating"
			break
	case 4:
			exit 0
	default:
			echo "Invalid choice. Try again.
	endsw
end
echo "Program continues here"