Why does ADB commands break a bash script loop?

Question

I\'m noticing a problem when running multiple adb commands from a shell script loop most of the commands does not execute.

This is an example script.

Answer 1

adb shell connects stdin to the command running on the device, which will generally consume stdin until a EOF is reached. So these commands consume all of the rest of your device names, causing the loop to exit.

Run adb with a stdin redirection, so they get an immediate EOF without messing with what you're trying to loop over:

serialno=$(adb