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Re: aliases not supported by default in non-interactive mode...but POSIX
From: |
Chet Ramey |
Subject: |
Re: aliases not supported by default in non-interactive mode...but POSIX required? |
Date: |
Thu, 24 Aug 2017 21:59:18 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 8/24/17 9:49 PM, L A Walsh wrote:
> However, in testing posix and non-posix modesĀ in bash 4.4.12, I don't
> see aliases being enabled in scripts.
>
> To be POSIX conformant, wouldn't they have to be on?
They are:
$ ../bash-4.4-patched/bash --version
GNU bash, version 4.4.12(4)-release (x86_64-apple-darwin15.6.0)
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
$ cat x6
set -o posix
alias lf='echo lf'
lf
$ ../bash-4.4-patched/bash ./x6
lf
$ ../bash-4.4-patched/sh ./x6
lf
$ cat x6a
alias lf='echo lf'
lf
$ ../bash-4.4-patched/bash -o posix ./x6a
lf
$ ../bash-4.4-patched/sh ./x6a
lf
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/