tail -c fails (coreutils 5.92)

[Vincent Lefevre]

Under Mac OS X, with tail 5.92 installed by DarwinPorts:

prunille:~> echo abcd > blah
prunille:~> /opt/local/bin/gtail -c 2 blah
/opt/local/bin/gtail: cannot open `2' for reading: No such file or directory
==> blah <==
abcd
zsh: exit 1     /opt/local/bin/gtail -c 2 blah
prunille:~[1]> /opt/local/bin/gtail --version
tail (GNU coreutils) 5.92
[...]

"info tail" still says:

       -c, --bytes=N
              output the last N bytes

and AFAIK, this -c option is a POSIX requirement.

I had no problems with tail from the coreutils 5.2.1.
This is a regression.

-- 
Vincent Lefèvre <address@hidden> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / SPACES project at LORIA