replace ugly if statement with case

functions/cmd_to_container.sh

@@ -30,41 +30,82 @@ do
     containers+=("$(echo "$search" | grep "$pod" | awk '{print $4}')") 
 done
 
-if [[ "${#containers[@]}" == 0  ]]; then
+case "${#containers[@]}" in
-    echo -e "No containers available\nAre you sure the application in running?"
+    0)
-    exit
+        echo -e "No containers available\nAre you sure the application in running?"
-elif [[ "${#containers[@]}" == 1 ]]; then
+        exit
-    container=$(echo "$search" | grep "${pod_id[*]}" | awk '{print $4}')
+        ;;
-    container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
+    1)
-else
+        container=$(echo "$search" | grep "${pod_id[*]}" | awk '{print $4}')
-    while true
+        container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
-    do
+        ;;
-        clear -x
+
-        title
+    *)
-        cont_search=$(
+        while true
-        for i in "${containers[@]}"
         do
-            echo "$i"
+            clear -x
-        done | nl -s ") " | column -t
+            title
-        )
+            cont_search=$(
-        echo "$cont_search"
+            for i in "${containers[@]}"
-        echo
+            do
-        echo "0)  Exit"
+                echo "$i"
-        read -rt 120 -p "Choose a container by number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }
+            done | nl -s ") " | column -t
-        if [[ $selection == 0 ]]; then
+            )
-            echo "Exiting.."
+            echo "$cont_search"
-            exit
+            echo
-        elif ! echo -e "$cont_search}" | grep -qs ^"$selection)" ; then
+            echo "0)  Exit"
-            echo "Error: \"$selection\" was not an option.. Try again"
+            read -rt 120 -p "Choose a container by number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }
-            sleep 3
+            if [[ $selection == 0 ]]; then
-            continue
+                echo "Exiting.."
-        else
+                exit
-            break
+            elif ! echo -e "$cont_search}" | grep -qs ^"$selection)" ; then
-        fi
+                echo "Error: \"$selection\" was not an option.. Try again"
-    done
+                sleep 3
-    container=$(echo "$cont_search" | grep ^"$selection)" | awk '{print $2}')
+                continue
-    container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
+            else
-fi
+                break
+            fi
+        done
+        container=$(echo "$cont_search" | grep ^"$selection)" | awk '{print $2}')
+        container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
+        ;;
+esac
+
+# if [[ "${#containers[@]}" == 0  ]]; then
+#     echo -e "No containers available\nAre you sure the application in running?"
+#     exit
+# elif [[ "${#containers[@]}" == 1 ]]; then
+#     container=$(echo "$search" | grep "${pod_id[*]}" | awk '{print $4}')
+#     container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
+# else
+#     while true
+#     do
+#         clear -x
+#         title
+#         cont_search=$(
+#         for i in "${containers[@]}"
+#         do
+#             echo "$i"
+#         done | nl -s ") " | column -t
+#         )
+#         echo "$cont_search"
+#         echo
+#         echo "0)  Exit"
+#         read -rt 120 -p "Choose a container by number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }
+#         if [[ $selection == 0 ]]; then
+#             echo "Exiting.."
+#             exit
+#         elif ! echo -e "$cont_search}" | grep -qs ^"$selection)" ; then
+#             echo "Error: \"$selection\" was not an option.. Try again"
+#             sleep 3
+#             continue
+#         else
+#             break
+#         fi
+#     done
+#     container=$(echo "$cont_search" | grep ^"$selection)" | awk '{print $2}')
+#     container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
+# fi
 while true
 do
     clear -x