trapper

来自「UNIX[1].shell范例精解(第4版)_code」· 代码 · 共 16 行

#!/bin/bash
function trapper () { 
	echo "In trapper"
	trap 'echo "Caught in a trap!"' INT 
	# 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"
	echo "The pid is $$"
	sleep 5
done