命令行及时修改终端标题

# Set terminal title# @param string $1  Tab/window title# @param string $2  (optional) Separate window title# The latest version of this software can be obtained here:# http://fvue.nl/wiki/NameTerminal function nameTerminal() {    [ "${TERM:0:5}" = "xterm" ]   && local ansiNrTab=0    [ "$TERM"       = "rxvt" ]    && local ansiNrTab=61    [ "$TERM"       = "konsole" ] && local ansiNrTab=30 ansiNrWindow=0        # Change tab title    [ $ansiNrTab ] && echo -n $'\e'"]$ansiNrTab;$1"$'\a'        # If terminal support separate window title, change window title as well    [ $ansiNrWindow -a "$2" ] && echo -n $'\e'"]$ansiNrWindow;$2"$'\a'} # nameTerminal()

参考：1.http://ubuntuforums.org/showthread.php?t=448614
2.http://www.fvue.nl/wiki/Bash:_How_to_change_tab_and_window_title_of_console