diff --git a/libisoburn/trunk/releng/run_all_auto b/libisoburn/trunk/releng/run_all_auto
index 0c657e54..d696dabf 100755
--- a/libisoburn/trunk/releng/run_all_auto
+++ b/libisoburn/trunk/releng/run_all_auto
@@ -110,19 +110,22 @@ fi
  fi
  > ${CLOG}
  if [ -x "${RELENG_XORRISO}" ]; then
-    echo -e "_OVERVIEW_______________________________________________________________" >> ${CLOG}
-    date --utc                                                                         >> ${CLOG}
+    echo "_OVERVIEW_______________________________________________________________" >> ${CLOG}
+    date -u                                                                         >> ${CLOG}
     ${RELENG_XORRISO} --version                                                        >> ${CLOG}
-    echo -e "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" >> ${CLOG}
+    echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" >> ${CLOG}
  fi
- DSTART=`date --utc`
- echo -ne "${SELF}: Started at ${DSTART}" | tee -a ${CLOG}
+ DSTART=`date -u`
+ echo -n "${SELF}: Started at ${DSTART}" | tee -a ${CLOG}
  E1=`date '+%s'`
+ exit_value=0
  # require ^auto_, avoid running (your)self explicitly
  for s in `ls | grep ^auto_ | grep -v ${SELF} | sort -n`; do
   if [ -x ${s} -a ! -d ${s} ]; then
-    echo -ne "\n\n_STARTING_TEST_________________________________________________________"      >> ${CLOG}
-    echo -ne "\n${SELF}: Running ./${s} ${PASSED_OPTIONS} :\n" \
+    echo >> ${CLOG}
+    echo >> ${CLOG}
+    echo "_STARTING_TEST_________________________________________________________"      >> ${CLOG}
+    echo "${SELF}: Running ./${s} ${PASSED_OPTIONS} :" \
     | tee -a ${CLOG}
     T1=`date '+%s'`
     set +e
@@ -147,6 +150,7 @@ fi
            printf "done in ${TS} sec. ok."
            ;;
          *)
+           exit_value=2
 	   printf "done in ${TS} sec. "
            which tput >/dev/null 2>&1 && tput smso
            printf "FAIL -> EXIT CODE $RET"
@@ -157,70 +161,76 @@ fi
   fi
  done
 
- DEND=`date --utc`
- echo -ne "\n${SELF}: Stopped at ${DEND}." | tee -a ${CLOG}
+ DEND=`date -u`
+ echo | tee -a ${CLOG}
+ echo -n "${SELF}: Stopped at ${DEND}." | tee -a ${CLOG}
  if   [ "${CLEANUP_LOG}" -eq 1 ]; then
       if [ -f "${CLOG}" ]; then
 	 rm -f "${CLOG}"
-         echo -ne "\n${SELF}: Removed my own log ${CLOG}." # | tee -a ${CLOG}
+         echo # | tee -a ${CLOG}
+         echo -n "${SELF}: Removed my own log ${CLOG}." # | tee -a ${CLOG}
       fi
       if [ -f "${CLOG}".prev ]; then
          rm -f "${CLOG}".prev
-         echo -e "\n${SELF}: Removed my own log ${CLOG}.prev." # | tee -a ${CLOG}
+         echo # | tee -a ${CLOG}
+         echo "${SELF}: Removed my own log ${CLOG}.prev." # | tee -a ${CLOG}
       fi
  else
       E2=`date '+%s'`
       if [ ${E2} -eq ${E1} ]; then
-        echo -e " Total elapsed 0 sec." | tee -a ${CLOG}
+        echo " Total elapsed 0 sec." | tee -a ${CLOG}
       else
         let ES="${E2} - ${E1}"
-        echo -e " Total elapsed ${ES} sec." | tee -a ${CLOG}
+        echo " Total elapsed ${ES} sec." | tee -a ${CLOG}
       fi
       #####
-      echo -e "\n_SUMMARY________________________________________________________________" >> ${CLOG}
-      echo -e "${SELF}: Trivial log examination: ${CLOG}" | tee -a ${CLOG}
-      echo -e "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" | tee -a ${CLOG}
+      echo >> ${CLOG}
+      echo "_SUMMARY________________________________________________________________" >> ${CLOG}
+      echo "${SELF}: Trivial log examination: ${CLOG}" | tee -a ${CLOG}
+      echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" | tee -a ${CLOG}
       # severity classes of libdax_msgs.h in libburn and libisofs
       # List of boring keywords:
       #   'UPDATE|NOTE|DEBUG|ALL' - not considered interesting for lazy log inspection.
       # List of interesting keywords:
         # thrown by xorriso and underlying libraries
-      LIST_KWD="(NEVER|ABORT|FATAL|FAILURE|MISHAP|SORRY|WARNING|HINT"
+      LIST_KWD="NEVER|ABORT|FATAL|FAILURE|MISHAP|SORRY|WARNING|HINT"
         # thrown by others
-      LIST_KWD+="|FAIL|ERROR|WRONG)"
+      LIST_KWD="${LIST_KWD}|FAIL|ERROR|WRONG"
 
       if [ -f "${CLOG}" ]; then
           set +e
 	  # lines, perl regex, leading tabs
-          grep -n -P "${LIST_KWD}" "${CLOG}"
+          grep -n -E "${LIST_KWD}" "${CLOG}"
 	  RET_GREP="$?"
           case ${RET_GREP} in
               0) # found
                  ;;
               1) # not found
-		 echo -e "${SELF}: Log file looks clear." # | tee -a ${CLOG}
+		 echo "${SELF}: Log file looks clear." # | tee -a ${CLOG}
                  ;;
 	      *) #
-                 echo -e "${SELF}: grep returned EXIT CODE: ${RET_GREP}." # | tee -a ${CLOG}
+                 echo "${SELF}: grep returned EXIT CODE: ${RET_GREP}." # | tee -a ${CLOG}
 		 ;;
           esac
 	  set -e
       fi
-      echo -e "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" | tee -a ${CLOG}
+      echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" | tee -a ${CLOG}
 
       ##### TODO: work out a less noisy diff'ing technique!
       if [ -f "${CLOG}".prev -a -f "${CLOG}" ]; then
-        echo -e "${SELF}: See diff against previous log file (might be long):" | tee -a ${CLOG}
-	echo -e "diff -Naur ${CLOG}.prev ${CLOG} | less" | tee -a ${CLOG}
+        echo "${SELF}: See diff against previous log file (might be long):" | tee -a ${CLOG}
+	echo "diff -Naur ${CLOG}.prev ${CLOG} | less" | tee -a ${CLOG}
       fi
 
  fi
  
  #
  which tput >/dev/null 2>&1 && tput smso
- echo -e "\n${SELF}: Leaving the following cruft in ${GEN_DATA_DIR}:" # | tee -a ${CLOG}
+ echo # | tee -a ${CLOG}
+ echo "${SELF}: Leaving the following cruft in ${GEN_DATA_DIR}:" # | tee -a ${CLOG}
  which tput >/dev/null 2>&1 && tput rmso
  ls -lth "${GEN_DATA_DIR}" # | tee -a ${CLOG}
 
  # Fin
- exit 0
+ exit $exit_value
+