I tried to unpack the coda RPM on my RedHat 4.1 box.  It failed miserably.

[root_at_frop thoth]#  rpm --install -v ~thoth/ftp/coda-debug-source-4.4.0-2.i386.rpm 
failed dependencies:
        /bin/sh   is needed by coda-debug-source-4.4.0-2

-- 
Bob Forsman                                   thoth_at_gainesville.fl.us
           http://www.gainesville.fl.us/~thoth/