[Purdue-pm] How to sort one dimension of a 2d array

[Joe Kline]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Phillip San Miguel wrote:
> This is probably pretty straight forward, but:
> 
> I have a hash of 2d arrays. I want to sort by numerical value across one
> of these dimensions. What would be the syntax for that?
> 
> $table{$colors}[0..num_of_traces-1][0..num_data_points-1]
> 
> I want sort the values in the first (traces) dimension.
> 
> When I try to write the sort syntax my head starts spinning.
> 

wouldn't it just be:

@sorted = sort { $a->[0] <=> $b->[0] } @{ $table{$colors} };

?

if you want to sort by data points the index for the sort would be [1],
wouldn't it?

joe
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)
Comment: Using GnuPG with Red Hat - http://enigmail.mozdev.org

iD8DBQFLYvqNb0mzA2gRTpkRAqtOAJ9Hg/UDimmea+0Kk9HlIzWzvDxroQCffk9u
fQkzSRbkno7oeymFc553g7s=
=vkRD
-----END PGP SIGNATURE-----