update example workflow

examples/workflow-example-01.py

@@ -198,7 +198,7 @@
         '03-ECHO'   : {'command': '/bin/echo "START JOB ID: $id" > /tmp/workflow.$timeStamp/$id.out'},
         '04-MD5SUM' : {'command': '/bin/md5sum $filePath | cut -f1 -d" "', 'outputVariableRegexList' : ['(?P<md5Sum>.*)']},
         '05-ECHO'   : {'command': 'echo "FILE $filePath MD5 SUM: $md5Sum" >> /tmp/workflow.$timeStamp/$id.out'},
-        '06-RANDOM' : {'command': 'echo $((`date +%s` % 10))', 'outputVariableRegexList' : ['(?P<randomNumber>.*)']},
+        '06-RANDOM' : {'command': 'echo $((1 + RANDOM % 10))', 'outputVariableRegexList' : ['(?P<randomNumber>.*)']},
         '07-ECHO'   : {'command': 'echo "RANDOM NUMBER: $randomNumber" >> /tmp/workflow.$timeStamp/$id.out'},
         '08-SLEEP'  : {'command': 'sleep $randomNumber'},
         '09-COUNT'  : {'command': 'echo 0', 'outputVariableRegexList' : ['(?P<count>.*)']},