On 04/12/09 16:00, Peng Yu wrote:
On Fri, Dec 4, 2009 at 8:37 AM, Allan Odgaard
<[email protected]> wrote:
On 4 Dec 2009, at 14:19, Peng Yu wrote:
Suppose I want to download the file http://some_website/some_file
whenever it is newer than the local file. This needs the specification
of the dependency on URLs. I'm wondering if it is possible to do so in
gnu make.
URLs don’t have dates. A GET/HEAD request may return a ‘Last-Modified’
header and you can do conditional requests using that or the entity tag, but
these things are beyond make.
Some programs (e.g. rsync) support various network protocols. It would
be nice that gnu make also support these protocols. Will this
functionality be considered to be added in gnu make in the future?
Because make operates on files you can make it work with any of these
protocols easily by using virtual filesystems. No need to change make to
support protocols directly.
Something like http://www.inf.bme.hu/~mszeredi/avfs/
<q>
AVFS is a system, which enables all programs to look inside archived or
compressed files, or access remote files without recompiling the
programs or changing the kernel.
</q>
--
Max
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