major cleanup;
added eq_sig;
added print_sg (full contents), pprint_sg (stamps only);
added certify_typ, certify_term;
changed read_typ: result now certified;
#! /bin/sh
# xlisten -- start a program in one window and create a listener window
# environment variable $LISTEN specifies the file name
#create the file!
date > $LISTEN
xterm -geo 80x10+0+0 -T Listener -n Listener -e tail -f $LISTEN &
sleep 2
xterm -geo 80x45+0-0 -e teeinput $* &