Re: [RFC] adding zmktemp command

[Clinton Bunch <cdb_zsh@zentaur.org>]

On 3/28/2019 10:36 AM, Oliver Kiddle wrote:
> Clinton Bunch wrote:
>> I'm thinking of adding a zmktemp command either in a new module (e.g.
>> The advantage I can see to being it's own module, is it could be
>> backported and separately packed for Long-Term Supported OS. (Mostly
>> thinking of Enterprise Linux distributions)
> I doubt you'd be able to persuade such distributions to include even a
> completely new and separate module.
>
>> But it also seems like it would be a good fit into the zsh/files module
>> (mktemp and zf_mktemp instead of zmktemp)
> zsh/files would mostly make sense for a mktemp builtin that closely
> follows the interface of the normal mktemp Unix utility. If the focus is
> to provide a consistent and convenient way to create temporary files,
> then following mktemp is perhaps not the best choice. For security
> reasons, an interface that returns a file handle is, I think, generally
> preferred these days. Perhaps sysopen (in zsh/system) could accept a -t
> option instead of a filename.
>
> Oliver

I was planning on adding a -f option to return a fd in a parameter.  The 
sysopen solution though wouldn't give you the filename which would mean 
you couldn't pass it to an external program.  I realize that that has 
some security issues which is why an unpredictable filename is needed.