Geoff Clare wrote, on 25 Mar 2022:
>
> > ln -s /tmp/gibberish/file d/link2
> > realpath d/link2
>
> $ realpath d/link2; echo exit $?
> realpath: d/link2: No such file or directory
> exit 1
I obviously didn't pay enough attention to this result, as the
wording change I proposed doesn't cover it.
I can't see any reasonable way to describe it by reference to
realpath(), so I think we'll need to find a different approach.
Perhaps something along these lines:
The realpath utility shall recursively expand all symbolic links
in the pathname specified by the file operand, using the algorithm
specified in [xref to Pathname Resolution], until one of the
following conditions is met:
* The last component of the expanded pathname is found to exist and
is not a symbolic link.
* The last component of the expanded pathname is found not to exist
or its existence cannot be determined.
* A component of the path prefix of the expanded pathname is found
not to exist or its existence cannot be determined. In this case,
realpath shall write a diagnostic message to standard error and
exit with a non-zero exit status.
and then have the realpath() "as if" stuff, but passing it the expanded
pathname, or its prefix if -e isn't specified.
Will that work?
--
Geoff Clare <[email protected]>
The Open Group, Apex Plaza, Forbury Road, Reading, RG1 1AX, England
