URL:
<https://savannah.gnu.org/bugs/?59083>
Summary: enhancement: find -D exec
Project: findutils
Submitted by: None
Submitted on: Tue 08 Sep 2020 09:07:23 PM UTC
Category: find
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Philip Rowlands
Originator Email: phr+findut...@dimebar.com
Open/Closed: Open
Release: None
Discussion Lock: Any
Fixed Release: None
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Details:
The snippet which brought this to my attention is
if find -name '*.txt' -exec grep somestring {} +; then echo somestring found;
fi
which is fragile because, depending how many greps are launched, some may find
a match (and exit 0), some may not (and exit 1), and find reasonably takes a
worst-case exit status from the commands exec'd.
What made this harder to debug was the lack of useful output from find -D
exec; the only output controlled by DebugExec is from
show_outstanding_execdirs().
It seems launch() is the right place to add more debug output, perhaps before
fflush() / after waitpid().
For example "launching 'grep' with 4000 pathnames" and "process 'grep' exited
with status 1" messages in the debug output would make it much clearer.
If there's support for this, I can try to craft a patch.
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