Firmware vendor parameter

[torabi12]

Describe the bug
I wanted to run a test with the parameters X, Y, Z and N, but at the beginning it quit with the following error:

If I do not specify the parameters, the test will run correctly.
I tried EMBArk also with filled versions and vendor names and all my tries were failed, the tests did not start:

To Reproduce
Steps to reproduce the behavior:

1. EMBA installation (default mode)
2. Use the firmware available here: any
3. Start EMBA with the following parameters: sudo ./emba -X "V01.00.100" -Y "Vendor" -Z "Device_01" -N "file.bin"
4. See error

Expected behavior
I would like to receive information on what is allowed to enter in the quotation marks.

Screenshots
See above.

Desktop (please complete the following information):

• OS: Kali Linux 2022.4 / Ubuntu Server 22.04.1
• EMBA version: current master branch
• Installation method: default with up to date docker image

[m-1-k-3]

We changed the input validation a while ago ;) Could you try -Y Vendor
-> -Y allows alphanummeric input
-> -Z allows alphanummeric input
-> -N allows alphanummeric input

I will update the help output. thank you for reporting