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[perl #131176] Obsolete ?PATTERN? still documented
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From:
Eric Brine via RT
Date:
April 20, 2017 03:52
Subject:
[perl #131176] Obsolete ?PATTERN? still documented
Message ID:
rt-4.0.24-20542-1492660353-945.131176-15-0@perl.org
perlreref also mentions ?pattern?
On Wed, 19 Apr 2017 09:33:41 -0700, ikegami@adaelis.com wrote:
> This is a bug report for perl from ikegami@adaelis.com,
> generated with the help of perlbug 1.40 running under perl 5.24.0.
>
>
> -----------------------------------------------------------------
> [Please describe your issue here]
>
> ?PATTERN? was removed in 5.22, but it's still documented.
>
> $ perldoc -o term perlop | grep -P 'PATTERN'
> PATTERN in "m/PATTERN/". If "'" is used as the delimiter,
> no
> "m/PATTERN/msixpodualngc"
> "/PATTERN/msixpodualngc"
> described in "m?PATTERN?" below. If "'" (single quote) is
> the
> delimiter, no interpolation is performed on the PATTERN.
> When
> PATTERN may contain variables, which will be interpolated
> every
> If the PATTERN evaluates to the empty string, the last
> "m?PATTERN?msixpodualngc"
> "?PATTERN?msixpodualngc"
> This is just like the "m/PATTERN/" search, except that it
> matches
> In the past, the leading "m" in "m?PATTERN?" was optional,
> but
> "s/PATTERN/REPLACEMENT/msixpodualngcer"
> done on either the PATTERN or the REPLACEMENT. Otherwise,
> if the
> PATTERN contains a "$" that looks like a variable rather
> than an
> replacement text is not evaluated as a command. If the
> PATTERN
> is
>
> $ perl -e'?foo?'
> syntax error at -e line 1, near "?"
> Execution of -e aborted due to compilation errors.
>
>
> [Please do not change anything below this line]
> -----------------------------------------------------------------
> ---
> Flags:
> category=core
> severity=low
> ---
> Site configuration information for perl 5.24.0:
>
> Configured by ikegami at Wed May 25 21:22:43 PDT 2016.
>
> Summary of my perl5 (revision 5 version 24 subversion 0)
> configuration:
>
> Platform:
> osname=linux, osvers=3.2.61-grsec-modsign,
> archname=x86_64-linux-thread-multi
> uname='linux springfield 3.2.61-grsec-modsign #1 smp tue aug 12
> 09:58:26 utc 2014 x86_64 x86_64 x86_64 gnulinux '
> config_args='-de -Dprefix=/home/ikegami/usr/perlbrew/perls/5.24.0t
> -DPERL_SUB_DEPTH_WARN=1000 -Dusethreads
> -Aeval:scriptdir=/home/ikegami/usr/perlbrew/perls/5.24.0t/bin'
> hint=recommended, useposix=true, d_sigaction=define
> useithreads=define, usemultiplicity=define
> use64bitint=define, use64bitall=define, uselongdouble=undef
> usemymalloc=n, bincompat5005=undef
> Compiler:
> cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fwrapv
> -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include
> -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
> optimize='-O2',
> cppflags='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing
> -pipe
> -fstack-protector -I/usr/local/include'
> ccversion='', gccversion='4.6.3', gccosandvers=''
> intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678,
> doublekind=3
> d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16,
> longdblkind=3
> 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 /usr/lib/gcc/x86_64-linux-gnu/4.6/include-
> fixed
> /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu
> /lib/../lib
> /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
> libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
> -lgdbm_compat
> perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
> libc=libc-2.15.so, so=so, useshrplib=false, libperl=libperl.a
> gnulibc_version='2.15'
> Dynamic Linking:
> dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
> cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib
> -fstack-protector'
>
>
> ---
> @INC for perl 5.24.0:
>
> /home/ikegami/usr/perlbrew/perls/5.24.0t/lib/site_perl/5.24.0/x86_64-
> linux-thread-multi
> /home/ikegami/usr/perlbrew/perls/5.24.0t/lib/site_perl/5.24.0
>
> /home/ikegami/usr/perlbrew/perls/5.24.0t/lib/5.24.0/x86_64-linux-
> thread-multi
> /home/ikegami/usr/perlbrew/perls/5.24.0t/lib/5.24.0
> .
>
> ---
> Environment for perl 5.24.0:
> HOME=/home/ikegami
> LANG (unset)
> LANGUAGE (unset)
> LC_ALL=en_CA.utf8
> LC_COLLATE=C
> LD_LIBRARY_PATH=/home/ikegami/lib
> LOGDIR (unset)
>
> PATH=/home/ikegami/usr/perlbrew/bin:/home/ikegami/usr/perlbrew/perls/latest/bin:.:/home/ikegami/bin:/home/ikegami/.gems/bin:/usr/lib/ruby/gems/1.8/bin/:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games
> PERLBREW_BASHRC_VERSION=0.71
> PERLBREW_HOME=/home/ikegami/.perlbrew
> PERLBREW_MANPATH=/home/ikegami/usr/perlbrew/perls/latest/man
>
> PERLBREW_PATH=/home/ikegami/usr/perlbrew/bin:/home/ikegami/usr/perlbrew/perls/latest/bin
> PERLBREW_PERL=latest
> PERLBREW_ROOT=/home/ikegami/usr/perlbrew
> PERLBREW_VERSION=0.71
> PERL_BADLANG (unset)
> SHELL=/bin/bash
---
via perlbug: queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=131176
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