serveral changes to improve legibility

vm_delete.sh

@@ -0,0 +1,42 @@
+#!/bin/env bash
+
+# Function for usage message
+usage() {
+  cat << EOF
+Usage: $0 vm_name
+
+This script removes a virtual machine managed by virsh.
+
+EOF
+}
+VM_BASE_DIR="${VM_BASE_DIR:-${HOME}/vms}"
+VM_IMAGE_PATH="${VM_BASE_DIR}/images/$1.img"
+CI_IMAGE_PATH="${VM_BASE_DIR}/images/$1-cidata.iso"
+
+# Validate VM name argument
+if [[ -z "$1" ]]; then
+  usage
+  exit 1
+fi
+
+# Check if VM exists
+if [[ -f "$VM_IMAGE_PATH" ]]; then
+  # Safely remove the VM with confirmation
+  read -p "Are you sure you want to remove the VM '$1' (y/N)? " confirm
+  if [[ "$confirm" =~ ^[Yy]$ ]]; then
+    # Attempt to stop the VM before deleting
+    virsh destroy "$1" 2>/dev/null || true
+    # Delete VM definition and associated images
+    virsh undefine "$1" 2>/dev/null || true
+    rm -fv "$VM_IMAGE_PATH" "$CI_IMAGE_PATH"
+    rm ${VM_BASE_DIR}/xml/$1.xml
+    rm ${VM_BASE_DIR}/ssh/$1*
+    rm ${VM_BASE_DIR}/init/$1-user-data
+    rm ${VM_BASE_DIR}/init/$1-meta-data
+  else
+    echo "VM removal cancelled."
+  fi
+else
+  # Handle case where VM image is not found
+  echo "Cannot find VM image file '$VM_IMAGE_PATH'. No action taken."
+fi