libreadline - Bash and readline: how to bind key to a "silent command" of my own in bash? -


what want simple: add keybinding 1 of program using readline startup file inputrc but, in addition, program not produce output, not want command name appear on stdout.

what problem is:

.inputrc content: 

"\e[1;5a":'pipe_send\n'

when hit ctrl+uparrow, on command line appears "pipe_send": 

[ alexkag@$$$$$:: / ]                                                   $ pipe_send

what i'd not having pipe_send appear on command line, commands provided readline such history-search-backward, history-search-forward, etc. know way that? maybe shoudn't use readline? note: keybinding must visible in bash, not whole system.

as mentioned in comments gniourf_gniourf solution is:

bind -x '"\e[1;5a":pipe_send'

bind -x tell bash execute command whenever key pressed:

-x keyseq:shell-command

cause shell-command executed whenever keyseq entered. when shell-command executed, shell sets readline_line variable contents of readline line buffer , readline_point variable current location of insertion point. if executed command changes value of readline_line or readline_point, new values reflected in editing state.

\e[1;5a terminal code sent ctrlup


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