On Tue, 2023-04-11 at 13:06 -0400, Chris Murphy wrote:
>
> On Tue, Apr 11, 2023, at 12:07 PM, Adam Williamson wrote:
>
> > I've been doing something like this for years, but I wouldn't
> > necessarily recommend it as an OOTB default. It has some interesting
> > subtleties, like the order of the command history you get when you hit
> > 'up' changes depending on when the history is updated by other
> > terminals and when the terminal you're in reloads it.
>
> I'm not seeing this effect. While active, the shells apparently have
> completely unique histories, and don't interact with each other (until
> they're closed). From time to time I see zero length files, e.g.
> .bash_history-04863.tmp appear but I don't know what they do, there's nothing
> in them.
The version I use is a file in /etc/profile.d that does this:
HISTSIZE=1048576
HISTFILESIZE=1048576
LAST_HISTORY_WRITE=$SECONDS
function prompt_command {
if [ $(($SECONDS - $LAST_HISTORY_WRITE)) -gt 60 ]; then
history -a && history -c && history -r
LAST_HISTORY_WRITE=$SECONDS
fi
}
PROMPT_COMMAND="${PROMPT_COMMAND:-:} ; prompt_command"
so I guess that's the difference; mine clears and reloads the history
(if it's been more than 60 seconds since the last time it did it).
--
Adam Williamson (he/him/his)
Fedora QA
Fedora Chat: @adamwill:fedora.im | Mastodon: @[email protected]
https://www.happyassassin.net
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