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Re^3: Different behaviour of 'stat' function after assignment to $! (errno).

by Anonymous Monk
on May 24, 2011 at 11:54 UTC ( [id://906475]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Different behaviour of 'stat' function after assignment to $! (errno).
in thread Different behaviour of 'stat' function after assignment to $! (errno).

The battle of IV versus NV, lol
$ perl -MDevel::Peek -e " Dump($!); $!=20; stat 1; printf qq[%d %s %d\ +n], $!,$!,-$!; Dump($!); " SV = PVMG(0x9b3adc) at 0x9ba5ac REFCNT = 1 FLAGS = (GMG,SMG) IV = 0 NV = 0 PV = 0 MAGIC = 0x9c6d9c MG_VIRTUAL = &PL_vtbl_sv MG_TYPE = PERL_MAGIC_sv(\0) MG_OBJ = 0x9ba59c MG_LEN = 1 MG_PTR = 0x9c2b7c "!" 2 No such file or directory -20 SV = PVMG(0x9b3adc) at 0x9ba5ac REFCNT = 1 FLAGS = (GMG,SMG,pNOK,pPOK) IV = 20 NV = 2 PV = 0x3ffed4 "No such file or directory"\0 CUR = 25 LEN = 28 MAGIC = 0x9c6d9c MG_VIRTUAL = &PL_vtbl_sv MG_TYPE = PERL_MAGIC_sv(\0) MG_OBJ = 0x9ba59c MG_LEN = 1 MG_PTR = 0x9c2b7c "!"

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