Re: Mysterious hidden end of line characters.

[Thierry Volpiatto <thierry.volpiatto@gmail.com>]

Did you try running delete-trailing-white-space or picture-mode on your
files ?

David <dpleydel@univ-fcomte.fr> writes:

> I have a strange problem with invisible end of line characters.
>
> Yesterday I was trying to configure GRASS6.3 using the following
> single line of code.
>
>
> CFLAGS=-O2 ./configure \
> 	 --with-gdal=/usr/bin/gdal-config \
> 	 --with-tcltk \
> 	 --with-tcltk-includes=/usr/include/tcl8.4 \
> 	 --x-includes=/usr/include/X11 \
> 	--with-postgres-includes=/usr/include/postgresql \
> 	--with-freetype-includes=/usr/include/freetype2 \
> 	--x-includes=/usr/include/X11 \
> 	--x-libraries=/usr/lib/X11 \
> 	--with-libs=/usr/lib64 \
> 	--with-blas \
> 	--with-mysql \
> 	--with-mysql-includes=/usr/include/mysql \
> 	--with-cxx \
> 	--with-freetype \
> 	--with-freetype-includes=/usr/include/freetype2 \
> 	--with-readline \
> 	--with-sqlite \
> 	--with-tiff \
> 	--with-x \
> 	 --with-odbc \
> 	--enable-64bit \
> 	2>&1 | tee config_log.txt
>
>
> Normally the \ character tells the shell not to execute the line but
> to wait for the next line and execture them as one, so everything
> above is seen by the computer as a single line. Right?
>
> Well, not on my computer.  Each time I copied the lines from emacs to
> a terminal (konsole) for some reason the \ was being over riden and
> the terminal tried executing the code one line at a time. My effort to
> configure GRASS failled until I removed every \ and collapsed
> everything down to the following single line.
>
> CFLAGS=-O2 ./configure --with-gdal=/usr/bin/gdal-config --with-tcltk --with-tcltk-includes=/usr/include/tcl8.4 --x-includes=/usr/include/X11 --with-postgres-includes=/usr/include/postgresql --with-freetype-includes=/usr/include/freetype2 --x-includes=/usr/include/X11 --x-libraries=/usr/lib/X11 --with-libs=/usr/lib64 --with-blas --with-mysql --with-mysql-includes=/usr/include/mysql --with-cxx --with-freetype --with-freetype-includes=/usr/include/freetype2 --with-readline --with-sqlite --with-tiff --with-x --with-odbc --enable-64bit 2>&1 | tee config_log.txt
>
> A colleage then complained to me saying I had some kind of invisible
> character at the end of each line of a shell script (naturally, writen
> in emacs) that I'd sent him. He was having to guess where each of
> these nasty characters was and delete them line by line.  I think he
> has emacs on Ubuntu, I am running emacs21 on Debian etch.
>
> How might I try to identify what is going on here?
>
> cheers
> Dave
>
>
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>

-- 
A + Thierry
Pub key: http://pgp.mit.edu