Re: [perl #109146] 3-arg open of undef for read

On Fri, Jan 27, 2012 10:58:00 +0100, Ævar Arnfjörð Bjarmason wrote:
> What do we actually get on `open(FH, "<", undef)`? It seems to me
> that we create some skeleton filehandle that we can't actually do
> anything with.

It does open a temporary file, the same as the read-write modes would
have done.  The file is opened read/write, but I believe the perl handle
is marked as read only.

• [perl #109146] 3-arg open of undef for read by Yitzchak Scott-Thoennes
• Re: [perl #109146] 3-arg open of undef for read by Ævar Arnfjörð Bjarmason
• Re: [perl #109146] 3-arg open of undef for read by Ricardo Signes
• Re: [perl #109146] 3-arg open of undef for read by David Nicol
• Re: [perl #109146] 3-arg open of undef for read by Nicholas Clark
• Re: [perl #109146] 3-arg open of undef for read by Nicholas Clark
• Re: [perl #109146] 3-arg open of undef for read by Zefram
• Re: [perl #109146] 3-arg open of undef for read by Aristotle Pagaltzis
• [perl #109146] 3-arg open of undef for read by Father Chrysostomos via RT
• Re: [perl #109146] 3-arg open of undef for read by Yitzchak Scott-Thoennes