*BSD News Article 72320


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From: Ian Stirling <root@mauve.demon.co.uk>
Newsgroups: demon.ip.support,demon.tech.unix,comp.unix.bsd.freebsd.misc
Subject: Re: Batch FTP and Web Pages
Followup-To: demon.ip.support,demon.tech.unix,comp.unix.bsd.freebsd.misc
Date: Fri, 28 Jun 1996 17:39:54 GMT
Lines: 54
Message-ID: <199606281739.RAA05841@mauve.demon.co.uk>
References: <31c2e7bd.14691630@news.demon.co.uk> <834878464snz@pair.com> <834921960snz@michaels.demon.co.uk> <835206024.5881.2@diltd.demon.co.uk> <slrn4sgtd6.ds.dom@myrddin.demon.co.uk> <835294223.22071.1@diltd.demon.co.uk> <slrn4sjj16.cs.dom@myrddin.demon.co.uk> <199606261821.SAA02204@mauve.demon.co.uk> <4qtcee$n1h@alfie.demon.co.uk>
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Nick Holloway (Nick.Holloway@alfie.demon.co.uk) wrote:
: Ian Stirling <root@mauve.demon.co.uk> writes:
: > A www-server that could do reget, or restart or whatever would
: > be very usefull, can such a thing exist?

: I haven't checked the HTTP protocol in detail, but I suspect that it
: doesn't include an offset to continue fetching at.
I was sure I saw this in a standard, I've been reading too many standards
though, trying to deduce IEEE1284 (enhanced printer ports) from the
IEEE1284.* draft addendum standards :)
I'll check over the weekend if I remember.

: I keep muttering that sites should make large downloads available by
: ftp, as well as via http for this reason.  A short shell script can
: automatically use reget to continue fetching.

Or if you want several files from the site, edit your .netrc file, so as
to when ftp starts, use the command newer on all the files you want,
it'll skip any you've got or are in the process of getting,
this works very well, I had a remote site, working at 200 bytes/sec, that
I wanted several meg from, running lots of ftp sessions together, not needing
to watch the output, it easily saturated my 28k8 modem, letting me download all
of them in a reasonable time.
Clean up at the end, by running reget on all the files, to get the ends of
any truncated files.
Sample .netrc file, from when I first used this. nlist * |xargs -n 1 echo reget
will prepare the repititious part.

default login ftp password root@mauve.demon.co.uk
macdef init
hash
bin
cd /pub/ieee/1284.3
reget 1284MEM.ZIP
reget 1284PROD.DOC
reget 1284PROD.TXT
reget 1284mem.zip

: Of course, this is completely thwarted by Microsoft.  Their NT ftp
: server does support restarting at an offset (used by reget) but only if
: the offset is 0.  Sigh.

: --
:  `O O'  | Home: Nick.Holloway@alfie.demon.co.uk
: // ^ \\ | Work: Nick.Holloway@parallax.co.uk  http://www.parallax.co.uk/~alfie/

--
Ian Stirling.                        | I have a web page, but it's only
AKA Caeser, Bolonewbie.              | accessible by local users :(
| which sort of makes it less usefull :)

Two fish in a tank: one says to the other, do you know how to drive this
thing?