This is a good example to use the Schwartzian Transform.
#!/usr/bin/perl
use strict;
my $string;
while( <DATA> ) {
$string = $string . join " ", $_;
}
my $test = join "\n",
map { $_->[0] }
sort { $a->[1] <=> $b->[1] }
map { [$_, (split)[9]] }
split( /\n/, $string);
print $test;
__DATA__
cng003 sfd009 61.7 654 231 4 654 1800 711811 876112 E-193
cng006 sfd009 87.5 556 341 0 165 491 6234 45112 E-145
cng009 sfd009 80.2 234 536 3 17 184 9812345 9923000 E-13
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