#!/usr/bin/perl
# Fig 6.4: fig06_04.pl
# User-defined subroutines that take no arguments.

subroutine1();  # call the subroutine with no arguments
subroutine2();  # call the subroutine with no arguments

# the code after this comment executes only if the program
# explicitly calls these subroutines (as in lines 5 and 6).
sub subroutine1
{
   print "called subroutine1\n";
}

sub subroutine2
{
   print "called subroutine2\n";
}



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