sprintf or pack

[sonet]

How to use pack or sprintf do the same thing?

$b='A';
$a=ord($b);
print int($a/16) . ($a % 16) ;

 

[Paul Lalli]

How to use pack or sprintf do the same thing?

$b='A';
$a=ord($b);
print int($a/16) . ($a % 16) ;

printf "%x", $a;

Paul Lalli

 

[Mirco Wahab]

printf "%x", $a;

other TIMTOWTDIs

print unpack "H*", 'A';

or (non portable)

print unpack("H", 'A')
.unpack("h", 'A');

or

print +(ord('A')>>4)
.(ord('A')&15);

etc.

M.