Marrying your and Loops' approach:
use strict;
use warnings;
my %data = map { /(.*?)\s*,/ => $_ } <DATA>;
print @data{ qw( 10.1 100.1 25.1 103.1 ) };
__DATA__
100.1,A ,25, 36,56,89,45,36,56
25.1 ,B,232,565,65,56,56,48,25
103.1,C,25,5,6,9,4,5,56,889,9
10.1,D,5,6,5,8,9,8,12,23,36,6
Question: can anyone do this as a oneliner without a named hash?
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