NAME¶
lwp-download - Fetch large files from the web
SYNOPSIS¶
lwp-download [
-a] [
-s] <
url> [<
local
path>]
DESCRIPTION¶
The
lwp-download program will save the file at
url to a local
file.
If
local path is not specified, then the current directory is assumed.
If
local path is a directory, then the last segment of the path of the
url is appended to form a local filename. If the
url path ends
with slash the name "index" is used. With the
-s option pick
up the last segment of the filename from server provided sources like the
Content-Disposition header or any redirect URLs. A file extension to match the
server reported Content-Type might also be appended. If a file with the
produced filename already exists, then
lwp-download will prompt before
it overwrites and will fail if its standard input is not a terminal. This form
of invocation will also fail is no acceptable filename can be derived from the
sources mentioned above.
If
local path is not a directory, then it is simply used as the path to
save into. If the file already exists it's overwritten.
The
lwp-download program is implemented using the
libwww-perl
library. It is better suited to down load big files than the
lwp-request program because it does not store the file in memory.
Another benefit is that it will keep you updated about its progress and that
you don't have much options to worry about.
Use the "-a" option to save the file in text (ascii) mode. Might make
a difference on dosish systems.
EXAMPLE¶
Fetch the newest and greatest perl version:
$ lwp-download http://www.perl.com/CPAN/src/latest.tar.gz
Saving to 'latest.tar.gz'...
11.4 MB received in 8 seconds (1.43 MB/sec)
AUTHOR¶
Gisle Aas <gisle@aas.no>