Storable works great for me! Thanks to a five year old post.

perl -e '
use Storable;
my $hashfile="file.hash";
store {}, $hashfile unless -r $hashfile;
my $hash=retrieve($hashfile);
print join(",", %$hash), "\n";
$hash->{"index"}++;
store $hash, $hashfile;
'

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In reply to Re^2: How to save and reload my hash by mrdvt92
in thread How to save and reload my hash by lepetitalbert

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