functrap

UNIX+shell范例精解（第4版）代码

#!/bin/ksh
function trapper { 
	print "In trapper"
	trap 'print "Caught in a trap!"' INT
 	print "Got here."
	sleep 25
}
while :
do
	print "In the main script"
	trapper   # Call the function
	print "Still in main"
	sleep 5
	print "Bye"
done