Create virtual serial ports

serial.sh

#!/bin/sh

if [ -z "$1" ]
	then
		echo "Usage: $0 name"
		exit 1
fi

MASTER=$1
SLAVE=$1_virt

echo "Creating virtual serial port at $(tput bold)$MASTER$(tput sgr0)"
echo "You can listen to the port with $(tput bold)cat $SLAVE$(tput sgr0)"
echo "You can write to the port with $(tput bold)cat > $SLAVE$(tput sgr0)"

GROUP=$(id -gn)
sudo socat -d -d -d -d -lf /tmp/socat pty,link=$MASTER,raw,echo=0,user=$USER,group=$GROUP pty,link=$SLAVE,raw,echo=0,user=$USER,group=$GROUP