find(\&countLines, $dir);

sub countLines {
    /\.txt$/ or return;

    my $completePath = $File::Find::name;
    my $curDir       = $File::Find::dir;
    my $curFile      = $_;

my @lines = read_file( $curFile ) ;
my $numLines = @lines;
    print "Cur dir: $curDir; Cur file: $curFile; Num Lines: $numLines \n";