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No, I mean dont do any conversion if its not possible :) treat it as a string, convert as quad when you can, otherwise its raw bytes ...

There is always bigint which says

print hex("0x1234567890123490"),"\n"; # Perl v5.10.0 or later


use constant CAN_PACK_QUADS => !! eval { my $f = pack 'q'; 1 }; use Math::BigInt; print quad('ffffffffffff'), "\n"; sub quad { CAN_PACK_QUADS ? unpack( 'q<', $_[0] ) : Math::BigInt->new( '0x'.$_[0] ) } __END__

In reply to Re^3: Equivalent of unpack 'q' with 32-bit Perl (a8) by Anonymous Monk
in thread Equivalent of unpack 'q' with 32-bit Perl by Limbic~Region

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