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

[grml-hwinfo.git] / grml-hwinfo

diff --git a/grml-hwinfo b/grml-hwinfo
index c5bbd8d..42596e8 100755 (executable)
--- a/grml-hwinfo
+++ b/grml-hwinfo
@@ -33,12 +33,11 @@ _opt_output_file=false
 
 usage() {
   echo "
-  This tool collects information of the hardware this tool is being executed
-  on.  It can be executed as normal user to collect some basic information or
-  with root permissions to collect as much information as possible.  By
-  default, a file named grml-hwinfo-TIMESTAMP.tar.bz2 storing all collected
-  information will be created in the current working directory. Alternatively,
-  you can have it create a directory with all information.
+  This tool collects information of the hardware it is being executed on.
+  It can be executed as normal user to collect some basic information or
+  (recommended) with root permissions to collect more system information.
+  If executed without any options a file named grml-hwinfo-TIMESTAMP.tar.bz2
+  storing all collected information is created in the current working directory.
 
   Options:
 
@@ -335,7 +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