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Re: . and .. are included where they were excluded before
From: |
gregrwm |
Subject: |
Re: . and .. are included where they were excluded before |
Date: |
Mon, 25 Jan 2021 16:39:07 -0600 |
sorry, typo:
and in the more recent versions it's a different inconsistency, . is
excluded from ? ?? but included in @(?|.?)
should be:
and in the more recent versions it's a different inconsistency, . is
excluded from ? .? but included in @(?|.?)
tho as i said that's a tad askew from...
On Mon, Jan 25, 2021 at 3:36 PM gregrwm <rhn-users@greatlakedata.com> wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: x86_64
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS: -g -O2
> -fdebug-prefix-map=/build/bash-a6qmCk/bash-5.0=. -fstack-protector-strong
> -Wformat -Werror=format-security -Wall -Wno-parentheses -Wno-format-security
> uname output: Linux e540 5.4.0-60-generic #67-Ubuntu SMP Tue Jan 5
> 18:31:36 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
> Machine Type: x86_64-pc-linux-gnu
>
> Bash Version: 5.0
> Patch Level: 17
> Release Status: release
>
> Description:
> . and .. are excluded from @(?|.?) in
> bash 4.2.46(2)-release (CentOS 7.8), but are included in
> bash 4.4.19(1)-release (CentOS 8.2) and
> bash 5.0.17(1)-release (Ubuntu 20.04/focal).
>
> is this change in functionality a regression, a "fix", or a new
> feature?
> is there any option to exclude them?
>
> in all 3, .. is included in .?
>
> so oddly in centos7 .. is included in .? but excluded from @(?|.?)
>
> and in the more recent versions it's a different inconsistency, .
> is excluded from ? ?? but included in @(?|.?)
>
> but that's a bit askew from what actually interests me. if i had
> my druthers, there would be an option to set so . and .. would never match
> any (sub)glob other than their literal selves (even with dotglob set).
>
> Repeat-By:
> $ echo $BASH_VERSION
> 4.2.46(2)-release
> $ cat /etc/centos-release
> CentOS Linux release 7.8.2003 (Core)
> $ echo $BASHOPTS
>
> checkwinsize:cmdhist:dotglob:expand_aliases:extglob:extquote:force_fignore:globstar:histappend:histreedit:histverify:hostcomplete:interactive_comments:nocaseglob:nocasematch:progcomp:promptvars
> $ touch a .b
> $ echo ? ??
> a .b
> $ echo ? .? #.. is included
> a .. .b
> $ echo @(?|??)
> a .b
> $ echo @(?|.?) #. and .. are excluded
> a .b
> $
>
> $ echo $BASH_VERSION
> 4.4.19(1)-release
> $ cat /etc/centos-release
> CentOS Linux release 8.2.2004 (Core)
> $ echo $BASHOPTS
>
> checkwinsize:cmdhist:complete_fullquote:dotglob:expand_aliases:extglob:extquote:force_fignore:globstar:histappend:histreedit:histverify:hostcomplete:interactive_comments:nocaseglob:nocasematch:progcomp:promptvars
> $ touch a .b
> $ echo ? ??
> a .b
> $ echo ? .? #.. is included
> a .. .b
> $ echo @(?|??)
> a .b
> $ echo @(?|.?) #. and .. are included
> . .. a .b
> $
>
> $ echo $BASH_VERSION
> 5.0.17(1)-release
> $ cat /etc/lsb-release
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=20.04
> DISTRIB_CODENAME=focal
> DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
> $ echo $BASHOPTS
>
> checkwinsize:cmdhist:complete_fullquote:dotglob:expand_aliases:extglob:extquote:force_fignore:globasciiranges:globstar:histappend:histreedit:histverify:interactive_comments:login_shell:nocaseglob:nocasematch:progcomp:p
> $ touch a .b
> $ echo ? ??
> a .b
> $ echo ? .? #.. is included
> a .. .b
> $ echo @(?|??)
> a .b
> $ echo @(?|.?) #. and .. are included
> . .. a .b
> $ shopt -u dotglob
> $ echo ? ??
> a ??
> $ echo ? .? #even with dotglob off .. is still matched
> a .. .b
> $ echo @(?|??)
> a
> $ echo @(?|.?) #. is excluded but .. is included
> .. a .b
> $
>
- . and .. are included where they were excluded before, gregrwm, 2021/01/25
- Re: . and .. are included where they were excluded before,
gregrwm <=
- Re: . and .. are included where they were excluded before, , 2021/01/26
- Re: . and .. are included where they were excluded before, Chet Ramey, 2021/01/26
- Re: . and .. are included where they were excluded before, gregrwm, 2021/01/26
- Re: . and .. are included where they were excluded before, , 2021/01/26
- Re: . and .. are included where they were excluded before, Chet Ramey, 2021/01/26
- Re: . and .. are included where they were excluded before, , 2021/01/26
- Re: . and .. are included where they were excluded before, Chet Ramey, 2021/01/26
- Re: . and .. are included where they were excluded before, , 2021/01/26