Split files based on file content and pattern matching

Question

I need your help with formate a txt file using bash/linux. The file looks like the following, it always has a line called Rate: Sth then it follows with the details in the v

Answer 1

I'd do this in perl:

#!/usr/bin/perl

use strict;
use warnings;

open (my $out, ">-") or die "oops";

while(<>)
{
    if (m/^Rate: (\w+)/o)
    {
        close $out and open ($out, ">$1") or die "oops";
        next;
    }

    print $out $_
}

Use it like

perl ./test.pl input.txt