On Mon, Apr 04, 2011 at 03:43:36PM +0200, Michele Marigliano wrote: > Hi,
Hi. > I execute the following bash command on RH 5.3 > > CURRENT_DIR=`/usr/bin/dirname $0` Beware that it will give the script dirname (if specified), not the current working directory (that you can get using pwd). > /usr/bin/dirname: invalid option -- b > > Try `/usr/bin/dirname --help' for more information. > > [oracle@mpawls ~]$ /usr/bin/dirname --version > > dirname (GNU coreutils) 5.97 You might want to upgrade, it is an ancient version. > $ echo $0 > > -bash Options are introduced by a hyphen (which your binary name starts with), if you want to tell that what follows is not option anymore, you want to use '--'. So your lines looks like that: CURRENT_DIR=`/usr/bin/dirname -- $0` (works at least with coreutils8.7, don't know about your version). > $ echo $0 > > -bash > > $ dirname > > dirname: too few arguments Yes, it understood it like "dirname -b -a -s -h", whithout any filepath.
