[Rd] texi2dvi / egrep issue shows (a.o.) up in R-alpha

[Tobias Verbeke]

On 03/22/2011 08:41 AM, Martin Maechler wrote:
>>>>>> Tobias Verbeke<tobias.verbeke at openanalytics.eu>
>>>>>>      on Mon, 21 Mar 2011 23:45:33 +0100 writes:
>
>      >  L.S.  I noticed weird tools::texi2dvi behaviour on R-alpha
>      >  when specifying an absolute path to the .tex file.
>
>      >  The same phenomenon also appears to occur on R-2.12.2, so
>      >  maybe the issue is independent of R.
>
> Yes. I think it's independent of R.
>
> In any case, there's been a bug in the (Unix/Linux/teTeX/....)
> texi2dvi  sh script,
> a bug which I think typically only bites if you work in non-ASCII
> locales -- as you and I, eg.
>
> Here's the patch that I have had in place for quite a while :
>
> MM at lynne$ diff -ubBw  /usr/bin/texi2dvi /usr/local/bin/scripts/texi2dvi
> --- /usr/bin/texi2dvi	2011-01-11 15:33:52.000000000 +0100
> +++ /usr/local/bin/scripts/texi2dvi	2010-07-09 08:32:36.000025000 +0200
> @@ -33,7 +33,7 @@
>   set -e
>
>   # This string is expanded by rcs automatically when this file is checked out.
> -rcs_revision='$Revision: 1.135 $'
> +rcs_revision='$Revision: 1.135__mod.SfS_ETHZ $'
>   rcs_version=`set - $rcs_revision; echo $2`
>   program=`echo $0 | sed -e 's!.*/!!'`
>
> @@ -1683,7 +1683,7 @@
>
>     # If the COMMAND_LINE_FILENAME is not absolute (e.g., --debug.tex),
>     # prepend `./' in order to avoid that the tools take it as an option.
> -  echo "$command_line_filename" | $EGREP '^(/|[A-Za-z]:/)'>&6 \
> +  echo "$command_line_filename" | $EGREP '^(/|[[:alpha:]]:/)'>&6 \
>     || command_line_filename="./$command_line_filename"
>
>     # See if the file exists.  If it doesn't we're in trouble since, even
> MM at lynne$

Many thanks, Martin. That was indeed the issue and the patch
works perfectly fine.

Kind regards,
Tobias