FLOWCHART

+---------------------+
| Start of Program    |
+---------------------+
          |
          v
+---------------------+
|   Define Functions  |
+---------------------+
          |
          v
+---------------------+
|   Define Vendors    |
+---------------------+
          |
          v
+---------------------+
|   Loop over each    |
|   vendor            |
+---------------------+
          |
          v
+---------------------+
|   Convert vendor    |
|   to lowercase      |
+---------------------+
          |
          v
+---------------------+
|   Get current date  |
|   in YYYYMMDD format|
+---------------------+
          |
          v
+---------------------+
|   Create directory  |
|   for current date  |
+---------------------+
          |
          v
+---------------------+
|   Check directory   |
|   existence and     |
|   create if needed  |
+---------------------+
          |
          v
+---------------------+
|   Define JSON file  |
|   name with full    |
|   path              |
+---------------------+
          |
          v
+---------------------+
|   Execute command   |
|   to retrieve CVEs  |
|   for the vendor    |
+---------------------+
          |
          v
+---------------------+
|   Concatenate all   |
|   JSON files into   |
|   a single file     |
+---------------------+
          |
          v
+---------------------+
|   Send email with   |
|   JSON file as      |
|   attachment        |
+---------------------+
          |
          v
+---------------------+
|   Display            |
|   confirmation       |
|   message for email  |
+---------------------+
          |
          v
+---------------------+
|   End of Program     |
+---------------------+