Re: pkg/46804: Emacs Load Path issues when using emacs-nox11 w/ other packages such as flim, semi, and skk

[Aleksej Saushev <asau%inbox.ru@localhost>]

David Holland <dholland-pbugs%netbsd.org@localhost> writes:

> The following reply was made to PR pkg/46804; it has been noted by GNATS.
>
> From: David Holland <dholland-pbugs%netbsd.org@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: pkg/46804: Emacs Load Path issues when using emacs-nox11 w/
>  other packages such as flim, semi, and skk
> Date: Wed, 22 Aug 2012 09:13:00 +0000
>
>  On Fri, Aug 17, 2012 at 12:50:08PM +0000, Makoto Fujiwara wrote:
>   >  +_EMACS_VERSION_DIR!=   \
>   >  +  emacs -q -batch -f eval '(print load-path)' --no-site-lisp 2>&1 | \
>   >  +  ${TR} ' ' '\012' | \
>   >  +  ${SED} -e 's|.*/share|/share|'  -e 's/(//' | \
>   >  +  rev | ${CUT} -d '/' -f 2- | rev | ${SORT} -u | \
>   >  +  ${GREP} lisp | ${SED} -e 's|share/emacs/||' -e 's|/lisp||'
>  
>  Also, while I'm at it, that seems excessively complicated. How about
>  
>     emacs -q -batch -eval '(print load-path)' |\
>       ${TR} ' ' '\n' |\
>       ${GREP} '/share/emacs/[^/]*/lisp' |\
>       ${SED} -e 's|.*/share/emacs/\([^/]*\)/lisp.*|\1|' |\
>       ${SORT} -u
>  
>  ?
>  
>  One can also do
>  
>     emacs -q -batch -eval '(print load-path)' |\
>       ${SED} -n 'y/ 
> /\n/;\,/share/emacs/[^/]*/lisp,{s|.*/share/emacs/\([^/]*\)/lisp.*|\1|;p;q;}'

Could you two tell in plain words what you're trying to do here?
If all you're trying to extract is Emacs version, it is
  emacs -batch -eval '(princ emacs-version)'
or
  emacs -batch -eval '(princ (format "%s\n" emacs-version))'
if you want to drop quotes.

>  That is not a win on clarity, but if we're going to run this every
>  time the .mk file is loaded having fewer forks will help slow systems...