I had the chance to try out these options.
*YiFei *was right in that the scripts, when invoked by crontab after zsh
was activated, were being invoked by sh and that was why the *source*
command was not working.
Using . (dot) would resolve the issue on command line, but I cannot tell
jsub to use dot. My current crontab entries look like this:
jsub -N "h" -once -o ~/err/hourly.out -e ~/err/hourly.err
~/grid/jobs/hourly.sh
But neither of these are allowed:
jsub -N "h" -once -o ~/err/hourly.out -e ~/err/hourly.err .
~/grid/jobs/hourly.sh
jsub -N "h" -once -o ~/err/hourly.out -e ~/err/hourly.err ".
~/grid/jobs/hourly.sh"
The first one causes jsub to find two arguments and crash; the second one
causes jsub to complain that ". ~/grid/jobs/hourly.sh" is not a program.
*Roy Smith* offered a trick to explore what environment was used when my
script was run. So I create a small script with content "/usr/bin/env >
~/myenv.jsub.txt" and then asked jsub to run it. The job was successfully
submitted, but myenv.jsub.txt file remained empty! It is as if *no*
environment was passed, which is confusing.
Anyway, for now, I have given up on `exec zsh` and am going to just invoke
zsh manually after I run `become`.
On Fri, Nov 12, 2021 at 1:28 PM Roy Smith <roy(a)panix.com> wrote:
Actually, now that I think about it more, in a remote
execution
environment, it's possible that by the time the script gets run, it's not
even running on the same machine, which means it'll have its own /tmp. If
that's the case, then my next thought is a NFS path to your home directory
which is valid on any possible execution machine. And pre-creating the
file mode 0666 becomes more likely to be necessary.
On Nov 12, 2021, at 1:16 PM, Roy Smith <roy(a)panix.com> wrote:
No matter how screwed up your env, path, choice of shell, output
redirection, etc are, that's pretty much guaranteed to dump some useful
information into someplace where you can find it.
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