Learning perl

#!/usr/bin/perl

use strict;

@lines=(<>);               # Read from stdin or a file

for $i (@lines) {          # Parse each line into words?
    @line = split(' ',$i);
    for $w (@line) {
        $wordcount{$w}++;
        print "$w\n";
    }
}

for $w (keys %wordcount) {     # Read out the hash table nicely.
    print "$wordcount{$w}\t$w\n";
}
print "There are $#lines lines\n";