#!usr/bin/perl use Term::ReadKey; do 'user_options.pl'; do 'createpdf.pl'; print "Program ON\n"; ReadMode 4; # Turn off controls keys $input=0; until ($input eq "q"){ while (not defined ($input = ReadKey(-1))) { do 'appendpdf.pl'; sleep(1); } } ReadMode 0; # Reset tty mode before exiting print "\nProgram OFF\n";