Re: feature request: support specifying Unix socket with systemd directive OpenFile=

Erik Sjölund via curl-users wrote:
 > ...

Instead of adding a -fd variant to each command, maybe a more generic 
approach would be to have a syntax that indicates a filename is really an 
fd.  Something like an ampersand followed by the digits of fd number.  (An 
ampersand ('&') would require suitable command line escaping/quoting.)  This 
could be used with any command that recognizes the alternative syntax.  A 
favorite of mine would be -K, --config with an fd to hide command line 
options when a program is driving curl.

-K '&3'
--config \&${config_fd}

> 
> Regarding the user interface, a new command-line argument could be added
> 
> For example:
> --unix-socket-fdname myfdname

--unix-socket \&${sock_fd}

> 
> A side note: OpenFile= could also be used for opening normal files.
> In addition to the already existing command-line argument
> --proxy-cacert
> a new command-line argument
> --proxy-cacert-fdname myfdname
> could be added.

--proxy-cacert '&4'


Rich
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