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Well.... I'm not sure how your regex works BUT it works great for unsigned numbers :-)
#!/usr/bin/perl use strict; use warnings; sub number2hexString { return my $output .= join ' ', map { join ' ', sprintf('%016X' +, $_) =~ s/^0{8}(0{4}(00)?)?//r =~ /../g } @_; } print number2hexString(2,20,200,2000,20000,200000)."\n";
It doesn't completely solve my problem as it does not work with unsigned signed numbers

UPDATE: sorry, I was confused, obviously the last sentence should read ... does not work with signed numbers

In reply to Re^6: Split any number into string of 8-bit hex values (=1 byte) by drsweety
in thread Split any number into string of 8-bit hex values (=1 byte) by drsweety

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