Cf. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=561411
$ file xtitle-1.0.1.tgz xtitle-1.0.1.tgz: gzip compressed data, was "xtitle-1.0.1.tar", from Unix, last modified: Thu Dec 10 15:25:49 2009 $ gzip -dc xtitle-1.0.1.tgz xtitle-1.0.1.tgz does not have compressed suffix -- skipping tar: This does not look like a tar archive tar: Exiting with failure status due to previous errors SUGGESTION Please add support to recognize *.tgz and *.tbz2 suffixes as valid standard compressions extensions. E.g. the *.tgz has been widely in use since early days of Slackware. Jari