fixed return code when displaying doc

JolyTree.sh

@@ -33,7 +33,10 @@
 # = VERSIONS =                                                                                              #
 # ============                                                                                              #
 #                                                                                                           #
-  VERSION=1.1.181205ac                                                                                      #
+  VERSION=1.1b.191021ac                                                                                     #
+# + exit 0 when displaying the doc                                                                          #
+#                                                                                                           #
+# VERSION=1.1.181205ac                                                                                      #
 # + option -q to set desired probability of observing a random k-mer                                        #
 # + ability to be run on clusters managed by SLURM                                                          #
 #                                                                                                           #
@@ -100,6 +103,7 @@
     -t <int>        number of threads (default: 2)
 
 EOF
+    if [ "$1" = "-?" ] || [ "$1" = "-h" ] || [ $# -le 0 ]; then exit 0 ; fi                                 #
     exit 1 ;                                                                                                #
   fi                                                                                                        #
 #                                                                                                           #