xtitle - 1.0.4-1 main

Xtitle sets the window title and/or the icon name of the terminal
window in which it is run to be its command line arguments. It does
this by outputting the appropriate xterm(1) control sequence charac
characters. Unless messages are suppressed, xtitle will also report the
settings it has made.
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Note: In order to be able to change the terminal's title, the
terminal must support ANSI escape codes.