Set screen-title from shellscript

Question

Is it possible to set the Screen Title using a shell script?

I thought about something like sending the key commands ctrl+A shift-

Answer 1

 # add the following in your ~/.bashrc or ~/.bash_profile
 PROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}"'

or even better copy the whole concept for customizing your bash configs between a lot of hosts from here