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>perl -MDevel::Peek -e"Dump('Hello Sailor')" SV = PV(0x228e68) at 0x1831670 ... PV = 0x1833f3c "Hello Sailor"\0 CUR = 12 LEN = 16
>perl -T -MDevel::Peek -e"Dump($ARGV[0])" foo SV = PVMG(0x1822dcc) at 0x226ba0 ... MG_VIRTUAL = &PL_vtbl_taint MG_TYPE = PERL_MAGIC_taint(t) MG_LEN = 1