Small logic change. Added extra check and error handling.

examples/linux/disk_info.yaml

@@ -0,0 +1,13 @@
+---
+name: Use DF to get drive information in JSON.
+groups: Placeholder
+target_os: "Linux"
+tasks:
+  - name: Get disk-info with df returning JSON.
+    command: >
+      df -Th -x overlay -x tmpfs -x devtmpfs | \
+      awk 'NR==1 || $1 ~ ".+"{print $3, $4, $5, $7, $2}' | \
+      awk 'NR>1 {printf "{\"size\":\"%s\",\"used\":\"%s\",\"available\":\"%s\",\"mount_point\":\"%s\",\"type\":\"%s\"},", $1, $2, $3, $4, $5}' | \
+      sed '$ s/,$//' | \
+      awk 'BEGIN {printf "["} {printf "%s", $0} END {printf "]"}' 
+      exit

meshbook.py

@@ -224,7 +224,6 @@ async def gather_targets(meshbook: dict, group_list: dict[str, list[dict]], os_c
             if isinstance(pseudo_target, str):
                 matched_devices = await process_device_or_group(pseudo_target, group_list, os_categories, target_os)
                 target_list.extend(matched_devices)
-
             else:
                 console(text_color.yellow + "Please use devices (Notice the 'S') for multiple devices.", True)
 
@@ -241,7 +240,8 @@ async def gather_targets(meshbook: dict, group_list: dict[str, list[dict]], os_c
             if isinstance(pseudo_target, str) and pseudo_target in group_list:
                 matched_devices = await filter_targets(group_list[pseudo_target], os_categories, target_os)
                 target_list.extend(matched_devices)
-
+            if pseudo_target not in group_list:
+                console(text_color.yellow + "Targeted group not found on the MeshCentral server.", True)
             else:
                 console(text_color.yellow + "Please use groups (Notice the 'S') for multiple groups.", True)