Cleanup prompts

workflow/qhtcp-workflow

@@ -535,7 +535,7 @@ interactive_header() {
 					Enter project number(s) to analyze: 
 					  * A comma-separated list of project numbers (ex. 2,5,12)
 					  * 0 to add a new project
-					  * Enter to accept the default (newest) project ($num)							  
+					  * <Enter> for the latest project ($num)			  
 				EOF
         ((YES)) || read -r -p "($num): " response
         if [[ $response == 0 ]]; then 
@@ -566,8 +566,14 @@ interactive_header() {
   done
 
   if [[ ${#MODULES[@]} -eq 0 && ${#EXCLUDE_MODULES[@]} -eq 0 ]]; then
-    echo "Enter a comma-separated list of modules to run"
-    ((YES)) || read -r -p "Hit Enter for all (default) or '0' for none: " response
+    cat <<-EOF
+			Enter modules(s) to run: 
+			  * A comma-separated list of module numbers
+			  * Example: 2,5,12
+			  * 0 for none
+			  * <Enter> for all modules (default)					  
+		EOF
+    ((YES)) || read -r -p "(all): " response
     if [[ -z $response ]]; then
       MODULES=("${ALL_MODULES[@]}")
     elif [[ $response -eq 0 ]]; then
@@ -583,16 +589,21 @@ interactive_header() {
 
   if [[ ${#MODULES[@]} -eq 0 && ${#EXCLUDE_MODULES[@]} -eq 0 && ${#SUBMODULES[@]} -eq 0 ]]; then
     while :; do
-      echo "Enter a submodule followed by its arguments as a comma-separated string"
-      echo "Quote your string if there are any whitespaces"
-      echo "Example: ${ALL_SUBMODULES[0]} \"arg1,arg2,arg3...\""
-      ((YES)) || read -r -p "Or hit Enter to continue: " response
+      cat <<-EOF
+				Enter submodules(s) to run followed by its arguments in a comma-separated string
+				  * Quote your string if there are any whitespaces
+				  * A comma-separated list of submodules and their arguments
+				  * Both arguments are required
+				  * Example: ${ALL_SUBMODULES[0]},\"arg1,arg2,arg3...\",${ALL_SUBMODULES[1]},\"arg1,arg2,arg3...\"
+				  * <Enter> for none (default)		  
+			EOF
+      ((YES)) || read -r -p "(none): " response
       [[ -z $response ]] && break
-      IFS=' ' read -ra arr <<< "$response"
-      if [[ ! ${#arr[@]} -eq 2 ]]; then
-        err "The second argument is required and may be an empty string, \"\""
-      else
+      IFS=',' read -ra arr <<< "$response"
+      if [[ $((${#arr[@]} % 2)) -eq 0 ]]; then # check if array is even
         SUBMODULES+=("${arr[@]}")
+      else        
+        err "The second argument is required (may be an empty string, \"\")"
       fi
       unset response arr i
     done