Prompt settings for screen

screen_prompt.sh

if [[ "$TERM" =~ "screen" ]]; then
  # "\\" doesn't work well, use \134 instead

  # \ek ~ \e\134 : Screen's window title (`\t` in caption/hardstatus)
  # \e]0; ~ \a   : Screen's hardstatus, instead of terminal's title bar (`\h` in caption/hardstatus)
  # If you want to change terminal's title bar, use
  # \eP\e]0; ~ \a\e\134 (\eP ~ \e\134 will send the words out)

  PS1="\[\ek\W\e\134\e]0;\w\a\]\$(\
    ret=\$?
    rand=\$((RANDOM%36));\
    if [ \$ret -eq 0 ];then\
      if [ \$rand -lt 3 ];then
        printf '\[\e[m\](^_^)\[\e[m\] \$ ';\
      elif [ \$rand -lt 5 ];then\
        printf '\[\e[m\](^_-)\[\e[m\] \$ ';\
      elif [ \$rand -lt 6 ];then\
        printf '\[\e[m\](.^.)\[\e[m\] \$ ';\
      else\
        printf '\[\e[m\](-_-)\[\e[m\] \$ ';\
      fi;\
    else\
      if [ \$rand -lt 6 ];then\
        printf '\[\e[31m\](@o@)\[\e[m\] \$ ';\
      elif [ \$rand -lt 12 ];then\
        printf '\[\e[31;1m\](>_<)\[\e[m\] \$ ';\
      elif [ \$rand -lt 18 ];then\
        printf '\[\e[35m\](*_*)\[\e[m\] \$ ';\
      elif [ \$rand -lt 24 ];then\
        printf '\[\e[34m\](T_T)\[\e[m\] \$ ';\
      elif [ \$rand -eq 30 ];then\
        printf '\[\e[34;1m\](/_T)\[\e[m\] \$ ';\
      else\
        printf '\[\e[31m\](>_<)\[\e[m\] \$ ';\
      fi\
    fi;\
    )"
fi