Re: How to sort a hash by its values?

why doesn't this work?

print $_ , "\n" foreach (sort values %x);
[download]

Update: My poor wording made this sound like a golf. I'm really confused as to why this doesn't work but take out sort and it appears to

Comment on Re: How to sort a hash by its values? Download Code

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Re: Re: How to sort a hash by its values? by davorg (Chancellor) on Jul 19, 2001 at 20:50 UTC
a) You're only printing the values, when the question asked for the key/value pairs and b) you're doing a lexical sort - not a numeric one. -- <http://www.dave.org.uk> Perl Training in the UK <http://www.iterative-software.com>	[reply]
Re: Re: How to sort a hash by its values? by dsb (Chaplain) on Jul 19, 2001 at 20:57 UTC
That particular code won't work because without explicitly comparing the values like '`$a <=> $b`', the `sort` function will treat the values as strings and sort based on the first byte rather than its integer value. So rather than: `314 232 82 0` [download] You get: `0 232 314 82` [download] Hope that helps. Amel - f.k.a. - kel	[reply] [d/l] [select]