#!/bin/sh
#An example trap script
touch mytempfile
# First set trap conditions for signals 0 and 1
trap "rm  mytempfile ; echo  Leaving my script "  0 
trap  "  echo  hang-up  >>myerrorfile ; exit "  1 
# Trap command on its own displays current trap settings
trap
# Display process ID so we can send it a signal from another window
echo ID is $$
# If you send signal 1 during this next pause
# The script will exit at the end of it.
sleep 20
trap  " "  2  
echo " And now assume some commands "
sleep 20

trap  2  
echo  " And some more commands "
echo  " And some more commands "
sleep 20
exit