cserial() {
    local file="/dev/${1:-ttyUSB0}" # Use $1 if set; default to ttyUSB0
    local baud_rate="${2:-9600}" # Use $2 if set; otherwise, default to 9600
    # Does the device file exist
    if [ -e "$file" ]; then
        # Check for read and write permissions
        if [ -r "$file" ] && [ -w "$file" ]; then
            /usr/bin/cu -l "$file" -s ${baud_rate}
        else
            /usr/bin/echo "Device File $1 needs both read and write access!"
        fi
    else
        /usr/bin/echo "Device File $1 does not exist!"
    fi
}
tserial() {
    local file="/dev/${1:-ttyUSB0}" # Use $1 if set; default to ttyUSB0
    local baud_rate="${2:-9600}" # Use $2 if set; otherwise, default to 9600
    # Does the device file exist
    if [ -e "$file" ]; then
        # Check for read and write permissions
        if [ -r "$file" ] && [ -w "$file" ]; then
            /usr/bin/tip -$baud_rate $1
        else
            /usr/bin/echo "Device File $1 needs both read and write access!"
        fi
    else
        /usr/bin/echo "Device File $1 does not exist!"
    fi
}
pserial() {
    local file="/dev/${1:-ttyUSB0}" # Use $1 if set; default to ttyUSB0
    local baud_rate="${2:-9600}" # Use $2 if set; otherwise, default to 9600
    # Does the device file exist
    if [ -e "$file" ]; then
        # Check for read and write permissions
        if [ -r "$file" ] && [ -w "$file" ]; then
            /usr/bin/putty "$file" -serial -sercfg ${baud_rate},8,n,1,N
        else
            /usr/bin/echo "Device File $1 needs both read and write access!"
        fi
    else
        /usr/bin/echo "Device File $1 does not exist!"
    fi
}
sserial() {
    local file="/dev/${1:-ttyUSB0}" # Use $1 if set; default to ttyUSB0
    local baud_rate="${2:-9600}" # Use $2 if set; otherwise, default to 9600
    # Does the device file exist
    if [ -e "$file" ]; then
        # Check for read and write permissions
        if [ -r "$file" ] && [ -w "$file" ]; then
            /usr/bin/screen "$file" $baud_rate
        else
            /usr/bin/echo "Device File $1 needs both read and write access!"
        fi
    else
        /usr/bin/echo "Device File $1 does not exist!"
    fi
}
mserial() {
    local file="/dev/${1:-ttyUSB0}" # Use $1 if set; default to ttyUSB0
    local baud_rate="${2:-9600}" # Use $2 if set; otherwise, default to 9600
    # Does the device file exist
    if [ -e "$file" ]; then
        # Check for read and write permissions
        if [ -r "$file" ] && [ -w "$file" ]; then
            /usr/bin/minicom -D "$file" -b $baud_rate
        else
            /usr/bin/echo "Device File $1 needs both read and write access!"
        fi
    else
        /usr/bin/echo "Device File $1 does not exist!"
    fi
}

serial() {
    if [ -z "$1" ]; then
    	echo "Example: serial DEVICE_NAME BAUD_RATE"
	echo "Ex useage: serial ttyUSB0 115200"
	return 0
    fi		
    if id -nG "$USER" | grep -qw "dialout"; then
	echo -e "\n"
    else
	echo -e "To avoid running as Root, you should add yourself to the dialout group, so you can use serial...without being Root.\n"
	echo -e "You will need sudo access to do this, if you do not have SUDOers access, say no. \r\n Have an Admin do: usermod -a -G dialout $USER"
	echo -e "Do you want to add $USER to the dialout Group? \r\n"
	read -p "IF so, Type 'Yes' to continue: " response
	if [ "$response" = "Yes" ]; then
		echo -e "Adding $USER to dialout Group, enter sudo password"
		sudo usermod -a -G dialout $USER
	fi
    fi
    if [ -x /usr/bin/minicom ]; then
        mserial $@
    elif [ -x /usr/bin/putty ]; then
        pserial $@
    elif [ -x /usr/bin/screen ]; then
        sserial $@
    elif [ -x /usr/bin/tip ]; then
	tserial $@
    elif [ -x /usr/bin/cu ]; then
	cserial $@		
    else
        echo -e "Opps no minicom, putty, screen, cu, or tip programs installed!"
    fi
}