Re: use of hex-number in references

Yes, they are memory locations and could be more or less useful with a core file. It would take a good knowledge of perl implementation details to make that meaningful. A perl built with -DDEBUGGING is probably a better investment for such an investigation.

You can get the decimal address with print 0 | $ref;, which places $ref in numeric context. Since | acts on bitfields, $ref's target address is coerced into an unsigned integer.

After Compline,
Zaxo

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•Re^2: use of hex-number in references by merlyn (Sage) on Jun 09, 2004 at 01:17 UTC
I just use "0 + $ref". Maybe that's a holdover from my many years of awk programming. -- Randal L. Schwartz, Perl hacker Be sure to read my standard disclaimer if this is a reply.	[reply]
Re: •Re^2: use of hex-number in references by Zaxo (Archbishop) on Jun 09, 2004 at 01:59 UTC
Yes, it makes no difference. It looks like a reference is always unsigned in numeric context, since `0+` gives the same result as `0\|`, while `0x8nnnnnnn` would be negative taken as a 32 bit signed integer. After Compline, Zaxo	[reply]