trapper

来自「UNIX+shell范例精解（第4版）代码」· 代码 · 共 15 行

#!/bin/sh
trapper () { 
		echo "In trapper"
	trap 'echo "Caught in a trap!"' 2 
	# Once set, this trap affects the entire script. Anytime
	# ^C is entered, the script will ignore it.
}
while :
do
	echo "In the main script"
	trapper 
	echo "Still in main"
	sleep 5
done