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[perl #105658] STDIN <> and PerlIO doc
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From:
Denis Evdokimov
Date:
December 9, 2011 11:41
Subject:
[perl #105658] STDIN <> and PerlIO doc
Message ID:
rt-3.6.HEAD-5084-1323343509-1260.105658-75-0@perl.org
# New Ticket Created by Denis Evdokimov
# Please include the string: [perl #105658]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=105658 >
This is a bug report for perl from Evdokimov.Denis@gmail.com,
generated with the help of perlbug 1.39 running under perl 5.10.1.
-----------------------------------------------------------------
[Please describe your issue here]
#!/usr/bin/perl
use strict;
use warnings;
my $data = "aaa\nbbb\nccc\n";
# Ok
close STDIN or die $!;
open( STDIN, '<', \$data ) or die $!;
@ARGV = ();
while (<STDIN>)
{
print "[[$ARGV]]***$_";
}
# Bug
close STDIN or die $!;
open( STDIN, '<', \$data ) or die $!;
@ARGV = ();
while (<>)
{
# print PerlIO.pod
print "[[$ARGV]]***$_";
}
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=core
severity=low
---
Site configuration information for perl 5.10.1:
Configured by Debian Project at Fri Apr 22 19:20:15 UTC 2011.
Summary of my perl5 (revision 5 version 10 subversion 1) configuration:
Platform:
osname=linux, osvers=2.6.24-28-server,
archname=x86_64-linux-gnu-thread-multi
uname='linux allspice 2.6.24-28-server #1 smp wed aug 18 21:17:51 utc
2010 x86_64 gnulinux '
config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN
-Dcccdlflags=-fPIC -Darchname=x86_64-linux-gnu -Dprefix=/usr
-Dprivlib=/usr/share/perl/5.10 -Darchlib=/usr/lib/perl/5.10
-Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5
-Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local
-Dsitelib=/usr/local/share/perl/5.10.1
-Dsitearch=/usr/local/lib/perl/5.10.1 -Dman1dir=/usr/share/man/man1
-Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1
-Dsiteman3dir=/usr/local/man/man3 -Dman1ext=1 -Dman3ext=3perl
-Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Ud_ualarm -Uusesfio -Uusenm
-DDEBUGGING=-g -Doptimize=-O2 -Duseshrplib -Dlibperl=libperl.so.5.10.1
-Dd_dosuid -des'
hint=recommended, useposix=true, d_sigaction=define
useithreads=define, usemultiplicity=define
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=define, use64bitall=define, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN
-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2 -g',
cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing
-pipe -fstack-protector -I/usr/local/include'
ccversion='', gccversion='4.4.5', gccosandvers=''
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
alignbytes=8, prototype=define
Linker and Libraries:
ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib /lib64 /usr/lib64
libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
perllibs=-ldl -lm -lpthread -lc -lcrypt
libc=/lib/libc-2.12.1.so, so=so, useshrplib=true,
libperl=libperl.so.5.10.1
gnulibc_version='2.12.1'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib
-fstack-protector'
Locally applied patches:
DEBPKG:debian/arm_thread_stress_timeout -
http://bugs.debian.org/501970Raise the timeout of
ext/threads/shared/t/stress.t to accommodate slower
build hosts
DEBPKG:debian/cpan_config_path - Set location of CPAN::Config to
/etc/perl as /usr may not be writable.
DEBPKG:debian/cpan_definstalldirs - Provide a sensible INSTALLDIRS
default for modules installed from CPAN.
DEBPKG:debian/db_file_ver - http://bugs.debian.org/340047 Remove overly
restrictive DB_File version check.
DEBPKG:debian/doc_info - Replace generic man(1) instructions with
Debian-specific information.
DEBPKG:debian/enc2xs_inc - http://bugs.debian.org/290336 Tweak enc2xs
to follow symlinks and ignore missing @INC directories.
DEBPKG:debian/errno_ver - http://bugs.debian.org/343351 Remove Errno
version check due to upgrade problems with long-running processes.
DEBPKG:debian/extutils_hacks - Various debian-specific ExtUtils changes
DEBPKG:debian/fakeroot - Postpone LD_LIBRARY_PATH evaluation to the
binary targets.
DEBPKG:debian/instmodsh_doc - Debian policy doesn't install .packlist
files for core or vendor.
DEBPKG:debian/ld_run_path - Remove standard libs from LD_RUN_PATH as
per Debian policy.
DEBPKG:debian/libnet_config_path - Set location of libnet.cfg to
/etc/perl/Net as /usr may not be writable.
DEBPKG:debian/m68k_thread_stress -
http://bugs.debian.org/495826Disable some threads tests on m68k for
now due to missing TLS.
DEBPKG:debian/mod_paths - Tweak @INC ordering for Debian
DEBPKG:debian/module_build_man_extensions -
http://bugs.debian.org/479460 Adjust Module::Build manual page extensions
for the Debian Perl policy
DEBPKG:debian/perl_synopsis - http://bugs.debian.org/278323 Rearrange
perl.pod
DEBPKG:debian/prune_libs - http://bugs.debian.org/128355 Prune the list
of libraries wanted to what we actually need.
DEBPKG:debian/use_gdbm - Explicitly link against -lgdbm_compat in
ODBM_File/NDBM_File.
DEBPKG:fixes/assorted_docs - http://bugs.debian.org/443733 [384f06a]
Math::BigInt::CalcEmu documentation grammar fix
DEBPKG:fixes/net_smtp_docs - http://bugs.debian.org/100195
[rt.cpan.org#36038] Document the Net::SMTP 'Port' option
DEBPKG:fixes/processPL - http://bugs.debian.org/357264
[rt.cpan.org#17224] Always use PERLRUNINST when building perl modules.
DEBPKG:debian/perlivp - http://bugs.debian.org/510895 Make perlivp skip
include directories in /usr/local
DEBPKG:fixes/pod2man-index-backslash -
http://bugs.debian.org/521256Escape backslashes in .IX entries
DEBPKG:debian/disable-zlib-bundling - Disable zlib bundling in
Compress::Raw::Zlib
DEBPKG:fixes/kfreebsd_cppsymbols -
http://bugs.debian.org/533098[3b910a0] Add gcc predefined macros to
$Config{cppsymbols} on GNU/kFreeBSD.
DEBPKG:debian/cpanplus_definstalldirs -
http://bugs.debian.org/533707Configure CPANPLUS to use the site
directories by default.
DEBPKG:debian/cpanplus_config_path - Save local versions of
CPANPLUS::Config::System into /etc/perl.
DEBPKG:fixes/kfreebsd-filecopy-pipes -
http://bugs.debian.org/537555[16f708c] Fix File::Copy::copy with pipes
on GNU/kFreeBSD
DEBPKG:fixes/anon-tmpfile-dir - http://bugs.debian.org/528544 [perl
#66452] Honor TMPDIR when open()ing an anonymous temporary file
DEBPKG:fixes/abstract-sockets - http://bugs.debian.org/329291 [89904c0]
Add support for Abstract namespace sockets.
DEBPKG:fixes/hurd_cppsymbols - http://bugs.debian.org/544307 [eeb92b7]
Add gcc predefined macros to $Config{cppsymbols} on GNU/Hurd.
DEBPKG:fixes/autodie-flock - http://bugs.debian.org/543731 Allow for
flock returning EAGAIN instead of EWOULDBLOCK on linux/parisc
DEBPKG:fixes/archive-tar-instance-error - http://bugs.debian.org/539355[
rt.cpan.org #48879] Separate Archive::Tar instance error strings from each
other
DEBPKG:fixes/positive-gpos - http://bugs.debian.org/545234 [perl
#69056] [c584a96] Fix \\G crash on first match
DEBPKG:debian/devel-ppport-ia64-optim -
http://bugs.debian.org/548943Work around an ICE on ia64
DEBPKG:fixes/trie-logic-match - http://bugs.debian.org/552291 [perl
#69973] [0abd0d7] Fix a DoS in Unicode processing [CVE-2009-3626]
DEBPKG:fixes/hppa-thread-eagain - http://bugs.debian.org/554218 make
the threads-shared test suite more robust, fixing failures on hppa
DEBPKG:fixes/crash-on-undefined-destroy -
http://bugs.debian.org/564074[perl #71952] [1f15e67] Fix a NULL
pointer dereference when looking for a
DESTROY method
DEBPKG:fixes/tainted-errno - http://bugs.debian.org/574129 [perl
#61976] [be1cf43] fix an errno stringification bug in taint mode
DEBPKG:patchlevel - http://bugs.debian.org/567489 List packaged patches
for 5.10.1-12 in patchlevel.h
---
@INC for perl 5.10.1:
/etc/perl
/usr/local/lib/perl/5.10.1
/usr/local/share/perl/5.10.1
/usr/lib/perl5
/usr/share/perl5
/usr/lib/perl/5.10
/usr/share/perl/5.10
/usr/local/lib/site_perl
.
---
Environment for perl 5.10.1:
HOME=/home/green
LANG=ru_RU.utf8
LANGUAGE (unset)
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/home/green/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
PERL_BADLANG (unset)
SHELL=/bin/bash
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