[erlang-patches] Correct ls/1 in c.erl
Bengt Kleberg
bengt.kleberg@REDACTED
Wed May 22 12:26:55 CEST 2013
Thank you. That was better than I had hoped for.
bengt
On Wed, 2013-05-22 at 12:22 +0200, Björn Gustavsson wrote:
> We found the idea of improving c:ls/1 worthwhile.
>
>
> Therefore, we will not simply reject the patch.
>
>
> Instead we will use the implementation in the following
> commit:
>
>
>
> https://github.com/bjorng/otp/commit/67d83e15fdee068217df7f14a32fb901d7d4d91b
>
>
>
> in which I have credited Bengt for the idea and test case.
>
>
> We will test it a few days in our daily builds before merging
> it to maint.
>
>
> /Bjorn
>
>
>
>
> On Mon, May 20, 2013 at 4:40 PM, Bengt Kleberg
> <bengt.kleberg@REDACTED> wrote:
> I do not know why file:list_dir/1 has failed with {error,
> enoent}.
> Or to be precise, I do not know what failure with {error,
> enoent} means
> for the different cases I get from directories, files, links,
> special
> files, none-existing files and the combination of read/no-read
> access
> for these.
>
>
>
> bengt
>
> On Mon, 2013-05-20 at 16:36 +0200, Björn Gustavsson wrote:
> > I'll try to clarify my question:
> >
> >
> >
> > Why test for existence at all if
> > file:list_dir/1 has already told you that the
> > file exists?
> >
> >
> > On Mon, May 20, 2013 at 4:22 PM, Bengt Kleberg
> > <bengt.kleberg@REDACTED> wrote:
> >
> >
> > The filelib:is_dir/is_file/is_regular functions
> confuse me. I
> > am unsure
> > what they will return for directories, files, links,
> special
> > files,
> > none-existing files and the combination of
> read/no-read access
> > for
> > these.
> >
> > file:read_link_info/1 is more predictable.
> >
> >
> > bengt
> >
> > On Mon, 2013-05-20 at 15:59 +0200, Björn Gustavsson
> wrote:
> > > On Mon, May 20, 2013 at 1:45 PM, Bengt Kleberg
> > > <bengt.kleberg@REDACTED> wrote:
> > > 6> file:list_dir("nosuchfile").
> > > {error,enotdir}
> > >
> > > I think to use file:read_link_info/1 to
> establish
> > the
> > > existence of the
> > > file/directory.
> > >
> > > Why?
> > >
> > >
> > > If file:list_dir(Name) returns {error,enotdir}, it
> means
> > that
> > > there exists a file named Name (but it is not a
> directory).
> > >
> > >
> > > If no such file exists, the return value will be
> > {error,enoent}.
> > >
> > >
> > > In what situation would it be useful to call
> > > file:read_link_info/1?
> > >
> > >
> > >
> > > --
> > > Björn Gustavsson, Erlang/OTP, Ericsson AB
> >
> >
> >
> >
> >
> >
> > --
> > Björn Gustavsson, Erlang/OTP, Ericsson AB
>
>
>
>
>
>
> --
> Björn Gustavsson, Erlang/OTP, Ericsson AB
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