Re: how bash run by crontab is different from login bash shell?

[Marco Ippolito]

There have been cases when knowing the intended purpose would have been
useful though, and possibly influence the reply (in content or required
effort to answer). Outlining context is not always required info, and on
occasion it can be distracting, but I can see how the historical cases
mentioned by Greg could serve as an example of the need to improve problem
framing going forward.

On Fri, 11 Sep 2020 at 14:31, Peng Yu <pengyu.ut@gmail.com> wrote:

> Greg, I don’t think your reply add much new info here. The problem
> mentioned in this thread has been resolved. See my email replied before.
>
> I’ve replied to you more than once why your demand of “goal” is not
> relevant. You seemed just didn’t listen.
>
> On Fri, Sep 11, 2020 at 6:44 AM Greg Wooledge <wooledg@eeg.ccf.org> wrote:
>
> > On Thu, Sep 10, 2020 at 07:20:37PM -0400, Lawrence Velázquez wrote:
> > > > On Sep 9, 2020, at 9:05 PM, Peng Yu <pengyu.ut@gmail.com> wrote:
> > > >
> > > > Hi,
> > > >
> > > > I have the following line in crontab.
> > > >
> > > > * * * * * LANG=en_US.UTF-8 /usr/local/bin/bash -c 'builtin enable -f
> > > > /Users/xxx/Downloads/bash-5.0/examples/loadables/realpath realpath'
> > > >> /tmp/crontab_stdout_realpath.log 2>/tmp/crontab_stderr_realpath.log
> > >
> > > Am I missing something? Doesn't enabling a loadable and immediately
> > > exiting do effectively nothing?
> >
> > Asking Peng Yu for their goal has never worked in the entire history
> > of bug-bash and help-bash, so I stopped even trying.  I won't tell you
> > to give up, but I'm giving you fair warning that on this road there
> > is only frustration.
> >
> > As near as I can tell, the only things that cron job will accomplish are
> > wasting a lot of CPU, and spamming the system log files.  It'll also
> > probably ensure that bash and this nonstandard-location loadable builtin
> > are both retained in the file cache forever.
> >
> > Then again, the cron job is obviously censored, so who knows what other
> > misinformation Peng Yu is feeding you....
> >
> > --
> Regards,
> Peng
>