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Re: Hash to count characters

by FunkyMonk (Chancellor)
on Aug 12, 2010 at 09:22 UTC ( [id://854625]=note: print w/replies, xml ) Need Help??


in reply to Hash to count characters

if ($charCount{$char}){
    $charCount{$char}++;
}else {
    $charCount{$char}=1;
}

[download]
Perl will happily increment an undefined variable. In other words, the block above does exactly the same as just 
$charCount{$char}++;

[download]

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