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Re: ./configure vs. user-defined bash function "print"
From: |
Chet Ramey |
Subject: |
Re: ./configure vs. user-defined bash function "print" |
Date: |
Fri, 01 Aug 2014 09:42:54 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
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On 8/1/14, 5:51 AM, Mike Frysinger wrote:
> On Tue 08 Jul 2014 06:51:46 Greg Minshall wrote:
>> hi. the following fragment from a ./configure
>> ----
>> # Prefer a ksh shell builtin over an external printf program on Solaris,
>> # but without wasting forks for bash or zsh.
>> if test -z "$BASH_VERSION$ZSH_VERSION" \
>> && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
>> as_echo='print -r --'
>> as_echo_n='print -rn --'
>> elif
>> ----
>> plays poorly with a user-defined bash function named "print" (basically,
>> a front end to pr(1)).
>
> how would a user-defined bash function be a problem ? unless you're sourcing
> the configure script, a new shell instance is launched to process configure.
> in non-interactive mode, bash doesn't load any files (except via BASH_ENV,
> but
> that's a really bad idea to use).
If you're really worried about a stray exported function conflicting with
this name, add `unset -f print 2>/dev/null' and go on.
- --
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/
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