Bash shell read error: 0: Resource temporarily unavailable

Question

When writing a bash script. Sometimes you are running a command which opens up another program such as npm, composer.. etc. But at the same time you need to use read

Answer 1

I had the same problem. I solved by reading directly from tty like this, redirecting stdin:

read -p "Play both [y]? " -n 1 -r 

instead of simply:

read -p "Play both [y]? " -n 1 -r

In my case, the use of exec 3<&0 ... didn't work.