Small output update

sequencer/sequencer.sh

@@ -421,7 +421,13 @@ checkStep() {
   if (( $ref < 1 ||  $ref > $MAX_STEP )) ; then
     return 0 
   else
-    return $ref
+    existsFunction step_$ref
+    if [ $? -eq 0 ] ; then
+      return $ref
+    else
+      # step doesn't exist
+      return 0
+    fi
   fi
 }
 
@@ -435,13 +441,7 @@ step() {
   if [ "$stepNo" == "0" ] ; then
     return 1
   else
-    existsFunction step_${stepNo}
-    if [ $? -eq 0 ] ; then
-      eval 'step_'"$stepNo"
-    else
-      echoerr " [E] Invalid step: $stepNo"
-      return 2
-    fi
+    step_$stepNo
   fi
 }
 
@@ -457,6 +457,8 @@ continous() {
     return 1
   fi
   
+  echo " [I] Staring sequence $(realpath $0) ..."
+
   for ((i=$step; i<=${MAX_STEP}; i++)); do
     execute -q $i
     local res=$?
@@ -472,6 +474,13 @@ continous() {
 selection() {
   local step=0
   local array=("$@")
+
+  if [ ${#array[@]} -eq 0 ] ; then
+    return 1
+  fi
+  
+  echo " [I] Staring sequence $(realpath $0) ..."
+
   for i in ${array[@]} ; do
     checkStep "$i"
     step=$?
@@ -724,13 +733,13 @@ main() {
 
   parseAlias
 
-  echo " [I] Staring sequence $(realpath $0) ..."
-
+  # run configuration for seq if available
   existsFunction step_config
   if [ $? -eq 0 ] ; then
-    echo " [I] Running...step_config"
+    echo " [I] Configuring sequence (step_config) ..."
     step_config
   fi
+
   # check if more than one step is given and select execution mode
   if [ "${#START[@]}" -gt "1" ]; then
     selection "${START[@]}"