Re: sh portability question

[Nathanael Nerode <neroden at twcny dot rr dot com>]

Daniel Jacobowitz wrote:
> On Sat, Nov 23, 2002 at 05:45:12PM -0500, Nathanael Nerode wrote:
>
> > This change eliminates leftover support for non-autoconfiscated subdirectories.
> > But before I test and submit it properly (I anticipate some changes), 
> > I want to check that the use of {} is portable.  Can someone who knows more 
> > about shellology verify?
>
> I don't believe you even need it.  It reduces to:
>
> rm -f no-such-file skip-this-dir; \
> CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
> $(BUILD_CONFIGARGS) $${srcdiroption} \  
> --with-build-subdir="$(BUILD_SUBDIR)" || exit 1; \
>
> The rm isn't about to fail, thus the -f.
Oh right.  Uh, duh. :-)

> Some judicious use of set -e would make this much less scary...
Hmm.  Wise idea.  I'm not exactly sure how/where I should use it, 
though, given all the nested ifs. :-/  I'm not really an expert on sh 
although I fancy that I'm pretty good.