[bug #64816] support ls' --quoting-style= option

Follow-up Comment #3, bug #64816 (project findutils):


>  [...] shells don't work very well with NULL delimited output.

I'm not sure I follow this statement.
Actually, NUL-terminated processing is the safest way of file name
processing with tools in shells, because the NUL character is the only one
(apart from a directory separator) which cannot be part of a file name.

Therefore, instead of going the route further down to use escaped strings
in find/xargs for further processing, the better way is IMO to give better
support of NUL-terminated in-/output to all tools.
The recent addition of the '-files0-from ...' option in find(1) was exactly
doing that.

The above is addressing the area of safely processing of file names in
combination
with other tools via shell scripts/pipes, etc.

The discussion about 'find -ls' displaying information to the terminal and
which
quoting style to be chosen best is a different one.
The point here is that the output should be safe no matter what malicious
file
an attacker might have placed, i.e., it should not disturb the terminal
settings.



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