[perl #8965] Tie'd STDIN overwritten by open F, "<-"

http://rt.perl.org/rt3/Ticket/Display.html?id=8965

On Sat Apr 20 09:32:11 2002, mschilli@michael.ms.com wrote:

> it looks like a tie()d STDIN filehandle gets overwritten if you call
> open(FOO, "<-") and use FOO from then on. Somehow it reverts back to
> the original STDIN instead of using the tie()d one.

This program:
use 5.010;
use IO::Handle;
say \*STDIN;
open FOO, "<-";
say \*FOO;

shows that STDIN and FOO are 2 different Perl objects.
I suppose 'open FOO, "<-"' means 'open FOO, "<&=STDIN"', this means
different Perl filehandle for same OS filehandles and tie works only on
Perl filehandles.

-- 
Alexandr Ciornii, http://chorny.net

• [ID 20020420.003] Tie'd STDIN overwritten by open F, "<-" by Mike
• [perl #8965] Tie'd STDIN overwritten by open F, "<-" by Alexandr Ciornii via RT
• [perl #8965] Tie'd STDIN overwritten by open F, "<-" by Brian Fraser via RT
• [perl #8965] Tie'd STDIN overwritten by open F, "<-" by James E Keenan via RT
• [perl #8965] Tie'd STDIN overwritten by open F, "<-" by Brian Fraser via RT