VERSION=$1
-rm -rf calibre
-tar -xvzf calibre-$VERSION.tar.gz
-rm -f calibre/resources/fonts/liberation/*
-rm -f calibre/resources/fonts/prs500/*
+tar -xvJf calibre-$VERSION.tar.xz
+rm -f calibre-$VERSION/resources/fonts/liberation/*
+rm -f calibre-$VERSION/resources/fonts/prs500/*
-tar -cvjf calibre-$VERSION-nofonts.tar.bz2 calibre
+tar -cf - calibre-$VERSION | xz -9vv >calibre-$VERSION-nofonts.tar.xz
+
+echo
+
+md5sum calibre-$VERSION-nofonts.tar.xz