Run tar with --auto-compress for better --output-file support

diff --git a/grml-hwinfo b/grml-hwinfo
index 9732177..42596e8 100755 (executable)
--- a/grml-hwinfo
+++ b/grml-hwinfo
@@ -334,7 +334,7 @@ cd "${WORKING_DIR}"
 
 # create tarball
 if [ -n "$GENERATE_FILE" ] ; then
-  tar jcf "${OUTFILE}" "${OUTDIRNAME}"
+  tar acf "${OUTFILE}" "${OUTDIRNAME}"
   [ -r "$OUTFILE" ] && echo "$OUTFILE ("$(ls -ahl "$OUTFILE" | awk '{print $5}')") has been generated."
 fi