This would work, You'll get hash of arrays
#!/usr/bin/perl
use strict;
use warnings;
use Data::Dumper;
my $HASH;
my $Title;
while ( <DATA> ) {
chomp;
next if ! $_;
if ( /^\d+\.(.*)/sg ) {
$Title = $1;
$HASH->{$Title} = [];
next;
}
if ( exists $HASH->{$Title} ) {
push @{$HASH->{$Title}} , $_;
}
}
print Dumper($HASH);
__DATA__
1.TITLE OF FIRST RECIPE
abstract
Recipe 1.
Recipe 2.
Recipe ...
Procedure...
2.TITLE OF SECOND RECIPE
...
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