Find the path of a shell command [POSTPONED]
Barry
barry at barrys-emacs.org
Sun Oct 16 12:21:03 EDT 2022
> On 16 Oct 2022, at 04:53, Dan Stromberg <drsalists at gmail.com> wrote:
>
> On Wed, Oct 12, 2022 at 9:57 PM Cameron Simpson <cs at cskk.id.au> wrote:
>
>>> On 13Oct2022 03:25, Paulo da Silva <p_d_a_s_i_l_v_a_ns at nonetnoaddress.pt>
>>> wrote:
>>> There is another problem involved. The script, works fine except when
>>> launched by cron! Why?
>>
>> Record the script output:
>>
>> # record all output
>> exec >/tmp/script.$$.out 2>&1
>> # dump the envionment
>> env | sort
>> # turn on execution tracing
>> set -x
>> ... rest of the script
>>
>> and have a look afterwards. Cron's environment is very minimal. This
>> will show you what's in it.
>>
>
> Careful. On some systems if someone restarts the cron daemon, it could
> pick up a larger environment than after being started on boot.
That have to a old system that does not use systemd.
Is there a specific system that still does this?
Barry
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