Check for spurious output at bash login shell #2132
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This fixes aiidateam#1890 and fixes aiidateam#1887. This is a different solution than PR aiidateam#1880 and superses it. We both document what the user shell should NOT do (produce output if in interactive mode), and explain how to keep this but guard it so that no output is produced at least in non-interactive mode. Moreover, we add a test in `verdi computer test` that has pointers to the documentation and the issue, making it (hopefully) clear early on to the user on how to solve the issue.
dev-zero
reviewed
Oct 26, 2018
| clear | ||
| echo "Hi! This is a new shell" | ||
| ;; | ||
| esac |
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the guard usually looks as follows:
if [[ $- != *i* ]] ; then
# Shell is non-interactive. Be done now!
return
fi
dev-zero
previously approved these changes
Oct 26, 2018
|
I would suggest to follow @dev-zero on the formatting. This is what most people expect to see. Nice to get this documented for new and possibly inexperienced users. |
As suggested by @dev-zero. Also, removing a sentence that would apply only if we were using non-login shells.
|
Done. Happy to get an approval again if now it's ok. |
sphuber
approved these changes
Oct 28, 2018
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This fixes #1890 and fixes #1887.
This is a different solution than PR #1888 and superses it.
We both document what the user shell should NOT do (produce
output if in interactive mode), and explain how to keep this
but guard it so that no output is produced at least in
non-interactive mode.
Moreover, we add a test in
verdi computer testthat has pointersto the documentation and the issue, making it (hopefully) clear
early on to the user on how to solve the issue.