Menu ask now for function number and allow to quit or continue

bin/database-wrangler/utilities

@@ -7,17 +7,100 @@ function do_step(){
 
 }
 
+function step_3digit_number(){
+  echo "$1"|cut -d _ -f 1
+}
+
+function step_number(){
+  printf "%d" "$(step_3digit_number "$1"|sed 's/0\+//')"
+}
+
+function step_name(){
+  echo "$1"|cut -d _ -f 2-
+}
+
+function has_step(){
+  found=false
+  for step in "${steps[@]}"
+  do
+    if [ "$(step_3digit_number "$step")" == "$1" ]
+    then
+      found=true
+      break;
+    fi
+  done
+  $found
+}
+
 function do_menu(){
-  select step in "${steps[@]}"
+  next_step="$(step_3digit_number "${steps[0]}")"
+  while true
   do
-    echo "Step $step will be executed:"
+    echo "Available steps:"
     echo
-    type "$step" | head -n -1 | tail -n +4
+    for step in "${steps[@]}"
+    do
+      echo "$(step_3digit_number "$step")) $(step_name "$step")"
+    done
     echo
-    read -s -N 1 -p "Press [y] to continue, any other key to abort." key
-    if [ "$key" == "y" ]
+    if has_step "$next_step"
+    then
+      export read_prompt="Enter the step number to execute, next to execute step $next_step or quit to exit? "
+    else
+      export read_prompt="Enter the step number to execute or quit to exit? "
+    fi
+    command="$(rlwrap -C migration bash -c 'read -p "$read_prompt" command; echo "$command"')"
+    step=
+    case "$command" in
+      quit)
+        exit 0
+        ;;
+      next)
+        found=false
+        for step in "${steps[@]}"
+        do
+          if [ "$(step_3digit_number "$step")" == "$next_step" ]
+          then
+            found=true
+            break;
+          fi
+        done
+        if ! $found
+        then
+          step=
+        fi
+        ;;
+      [0-9][0-9][0-9])
+        found=false
+        for step in "${steps[@]}"
+        do
+          if [ "$(step_3digit_number "$step")" == "$command" ]
+          then
+            found=true
+            break;
+          fi
+        done
+        if ! $found
+        then
+          echo "Sorry, no step $command found! Please enter all step digits."
+          step=
+        fi
+        ;;
+    esac
+    if [ ! -z "$step" ]
     then
-      do_step "$step"
+      echo "Step $step will be executed:"
+      echo
+      type "$step" | head -n -1 | tail -n +4
+      echo
+      read -s -N 1 -p "Press [y] to continue, any other key to abort." key
+      if [ "$key" == "y" ]
+      then
+        next_step="$(printf "%03d" "$(($(step_number "$step")+1))")"
+        do_step "$step"
+      fi
+      echo
+      step=
     fi
   done
 }
\ No newline at end of file