use strict; use Devel::Peek; $Devel::Peek::pv_limit = 3; use warnings; printf "$^V\n"; my $s = 's' x 32; Dump $s; my $addr = pack 'p', $s; printf "Q: hex: %x, dec: %1\$d\n", unpack 'Q', $addr; Dump $s; __END__ v5.32.1 SV = PV(0x1fbf48) at 0x24f0e08 REFCNT = 1 FLAGS = (POK,pPOK) PV = 0x2565cb8 "sss"...\0 CUR = 32 LEN = 34 Q: hex: 2565cb8, dec: 39214264 SV = PV(0x1fbf48) at 0x24f0e08 REFCNT = 1 FLAGS = (POK,pPOK) PV = 0x2565cb8 "sss"...\0 CUR = 32 LEN = 34 v5.42.0 SV = PV(0x1330f20f4c0) at 0x1330f2836a0 REFCNT = 1 FLAGS = (POK,IsCOW,pPOK) PV = 0x1330f3129f0 "sss"...\0 CUR = 32 LEN = 40 COW_REFCNT = 1 Q: hex: 1330f312400, dec: 1318809838592 SV = PV(0x1330f20f4c0) at 0x1330f2836a0 REFCNT = 1 FLAGS = (POK,pPOK) PV = 0x1330f312400 "sss"...\0 CUR = 32 LEN = 34