[twobob]

simple one liner:

[root@kindle root]# xprop -name LBreakout2 -f WM_NAME 8s -set WM_NAME "bob"


done.

Here's some handy code for more serious code level work.

Spoiler:

#include <string.h>

#include <xcb/xcb.h>
#include <xcb/xcb_atom.h>

int
main ()
{
xcb_connection_t *c;
xcb_screen_t *screen;
xcb_window_t win;
char *title = "Hello World !";
char *title_icon = "Hello World ! (iconified)";



/* Open the connection to the X server */
c = xcb_connect (NULL, NULL);

/* Get the first screen */
screen = xcb_setup_roots_iterator (xcb_get_setup (c)).data;

/* Ask for our window's Id */
win = xcb_generate_id (c);

/* Create the window */
xcb_create_window (c, /* Connection */
0, /* depth */
win, /* window Id */
screen->root, /* parent window */
0, 0, /* x, y */
250, 150, /* width, height */
10, /* border_width */
XCB_WINDOW_CLASS_INPUT_OUTPUT, /* class */
screen->root_visual, /* visual */
0, NULL); /* masks, not used */

/* Set the title of the window */
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win,
WM_NAME, STRING, 8,
strlen (title), title);

/* Set the title of the window icon */
xcb_change_property (c, XCB_PROP_MODE_REPLACE, win,
WM_ICON_NAME, STRING, 8,
strlen(title_icon), title_icon);

/* Map the window on the screen */
xcb_map_window (c, win);

xcb_flush (c);

while (1) {}

return 0;
}

I suppose that could be refactored to do the job