Update vmcreate1.sh

vmcreate1.sh

@@ -21,7 +21,19 @@ while getopts "a:f:h" opt; do
 	esac
 done
 
-if [ -v $file && ! -f $file ]; then echo "File $file does not exist. Use default 'hosts' file?"; exit 1
+if [ $# -eq 0 && -v $file && ! -f $file ]; then 
+    local input=y
+    echo "File $file does not exist. Use default 'hosts' file? Y/n: "
+    read input
+    case $input in
+        y) file=hosts;;
+        Y) file=hosts;;
+        n) read -p "Enter file name: " file;;
+        N) read -p "Enter file name: " file;;
+        *) echo "Use '-f' flag for help"; exit 0;;
+fi
+
+if [ $# -ne 0 && -v file ]; then show_help; fi
 
 # Если заданы аргументы, то создаем временный файл 
 if [ $# -ne 0 ] then