On Sun 27 Nov 2022 at 16:14:34 (+0100), email.list...@gmail.com wrote:
> On 2022-11-27 14:57, Greg Wooledge wrote:
> > On Sun, Nov 27, 2022 at 08:16:23AM +0100, to...@tuxteam.de wrote:
> > > On Sat, Nov 26, 2022 at 11:00:07PM +0100, email.list...@gmail.com wrote:
> > >
> > > [...]
> > >
> > > > select(1, [0], NULL, [0], {tv_sec=0, tv_usec=500000}) = 0
> > > ^
> > >
> > > This (nearly ;-) answers my question: it is waiting for half-a-second
> > > on stdin, i.e. on you.
> > >
> > > You can probably speed things up by quickly hitting TAB again (no,
> > > no, I'm not seriously proposing that as a "solution" to your problem,
> > > but I've the hunch that this is intentional: something inserting that
> > > delay before annoying you with early completions, in case you are
> > > just in the middle of typing; I'd guess this "something" considers
> > > TAB a possible part of the regular input and is giving you a chance
> > > to type on: a classical misunderstanding between software and user).
> >
> > My instinct says the same.
> >
> > unicorn:/var/tmp/bash/bash-5.2/lib/readline$ grep 500 *.c
> > bind.c: nval = 500;
> > parens.c:static int _paren_blink_usec = 500000;
> > readline.c:int _rl_keyseq_timeout = 500;
> >
> > unicorn:/var/tmp/bash/bash-5.2/lib/readline$ grep -B2 500 readline.c
> > /* Timeout (specified in milliseconds) when reading characters making up an
> > ambiguous multiple-key sequence */
> > int _rl_keyseq_timeout = 500;
> >
> > If you type byte(s) that could be standalone characters, or which could
> > be the start of a bound sequence, readline will delay a little bit to
> > see if there are additional bytes to follow.
> >
> > Normally this wouldn't happen on a tab, because you wouldn't have a bound
> > sequence that begins with a tab. So, this makes me wonder what custom
> > bindings the OP has got in their ~/.inputrc or similar files. (The fact
> > that it only happens on the regular user account, and not on root, points
> > toward it being configured in the HOME directory, not system-wide.)
> >
>
> This is what my ~/.inputrc looks like
>
>
> $include /etc/inputrc
>
> $if mode=emacs
> "\C-xc": copy-region-as-kill
> "\C-xx": kill-region
> "\C-ii": kill-whole-line
↑↑↑↑ and there's the Tab.
> "\M-f": vi-backward-bigword
> "\M-b": vi-forward-bigword
> $endif
Cheers,
David.
