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It is difficult to read your code without code tags. See Writeup Formatting Tips.

The code you provided does not compile due to a few syntax errors:

Is it possible for you to show a little of the structure and contents of BodyTemp? You could do this with: 

use Data::Dumper;
print Dumper(\%BodyTemp);

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You may also find HASHES OF HASHES helpful in figuring out how to access this type of data structure.

Also, it is a good practice to use the strictures: 

use warnings;
use strict;

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In reply to Re: How to extract a row or column of two-dimensional hash by toolic
in thread How to extract a row or column of two-dimensional hash by PerlKitten

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