Check if adb device connected condition

Question

How can I check adb device is connected in batch files? I wrote "adb devices" in the batch file, but I want it as a condition so the app working smoothly and automatically So if the user is not connected his device print no device and exit the app, Otherwise resume the app.

Answer 1

Pipe the output to find and analyse the errorlevel:

adb devices -l | find "device product:" >nul
if errorlevel 1 (
    echo No connected devices
) else (
    echo Found!
    ..............
)