How do I get the psuedo terminal device of the current xterm?

Question

I'd like to get the value of the current xterm window's psuedo terminal, for use in the "write" function. For instance, when I type ps I can see that all the current processes are on pts/4. Is there a better way to get "pts/4" other than grep on the output of "ps"?

Eyal

Answer 1

The command tty will "Print the file name of the terminal connected to standard input."

write username $(tty)

Answer 2

I think you can use /dev/tty which is the controlling terminal for the running process. If you need to find the tty which is connected to stdin, check the sources for /usr/bin/tty.