check for number of containers not pods

functions/cmd_to_container.sh

@@ -25,24 +25,30 @@ done
 app_name=$(echo -e "$app_name" | grep ^"$selection)" | awk '{print $2}')
 search=$(k3s crictl ps -a -s running | sed -E 's/([0-9]*|About)[[:space:]][a-z]{2,5}[[:space:]](hour)?[[:space:]]?ago//')
 mapfile -t pod_id < <(echo "$search" | grep -E "[[:space:]]$app_name([[:space:]]|-([-[:alnum:]])*[[:space:]])" | awk '{print $(NF)}')
+for pod in "${pod_id[@]}"
+do
+    mapfile -t containers < <(echo "$search" | grep "$pod" | awk '{print $4}') 
+done
 
-if [[ "${#pod_id[@]}" == 1 ]]; then
+if [[ "${#containers[@]}" == 1 ]]; then
     container=$(echo "$search" | grep "${pod_id[*]}" | awk '{print $4}')
     container_id=$(echo "$search" | grep -E "[[:space:]]${container}[[:space:]]" | awk '{print $1}')
-elif [[ "${#pod_id[@]}" == 0  ]]; then
+elif [[ "${#containers[@]}" == 0  ]]; then
     echo -e "No containers available\nAre you sure the application in running?"
     exit
 else
-    containers=$(
     for pod in "${pod_id[@]}"
     do
-        echo "$search" | grep "$pod" | awk '{print $4}'
-    done | nl -s ") " | column -t) 
+        mapfile -t containers < <(echo "$search" | grep "$pod" | awk '{print $4}') 
+    done 
     while true
     do
         clear -x
         title
-        echo "$containers"
+        for container in "${containers[@]}"
+        do
+            echo "$container"
+        done | nl -s ") " | column -t
         echo
         echo "0)  Exit"
         read -rt 120 -p "Choose a container by number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }