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

[Martin Maechler]

>>>>> 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$

Best regards,
Martin