Re: readlink(1) of more than one file?

[Eric Blake]

On 12/12/2012 12:54 PM, Pádraig Brady wrote:
> On 12/12/2012 07:05 PM, Aaron Davies wrote:
>> Is there a reason the interface for readlink(1) is “FILE” instead of
>> “FILE...”? I’ve often wanted to do e.g. “find -type l|xargs readlink”
>> or (in zsh) “readlink **/*(@)”, and having to do a shell loop or use
>> “xargs -n1” seems inelegant.
> 
> Note the newer more general realpath(1)
> supports multiple files.
> 
> Though there is no reason I see that readlink(1)
> can't do so too.  I also see the BSD version
> can accept multiple args, so I'll probably add
> something along the lines of the following
> unless there are objections.

If you add support for handling more than one file at a time, then you
also should add support for separating the output with NUL instead of
newline to make the output unambiguous.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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