mirror of https://github.com/moparisthebest/wget
118 lines
5.1 KiB
Plaintext
118 lines
5.1 KiB
Plaintext
Hey Emacs, this is -*- outline -*- mode
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This is the to-do list for Wget. There is no timetable of when we
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plan to implement these features -- this is just a list of features
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we'd like to see in Wget, as well as a list of problems that need
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fixing. Patches to implement these items are likely to be accepted.
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The items are not listed in any particular order (except that
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recently-added items may tend towards the top). Not all of these
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represent user-visible changes.
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* Should allow retries with multiple downloads when using -O on
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regular files. As the source comment says: "A possible solution to
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[rewind not working with multiple downloads] would be to remember
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the file position in the output document and to seek to that
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position, instead of rewinding."
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* Wget shouldn't delete rejected files that were not downloaded, but
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just found on disk because of `-nc'. For example, `wget -r -nc
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-A.gif URL' should allow the user to get all the GIFs without
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removing any of the existing HTML files.
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* Be careful not to lose username/password information given for the
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URL on the command line.
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* Support FWTK firewalls. It should work like this: if ftp_proxy is
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set to an ftp URL, Wget should assume the use of an FWTK firewall.
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It should connect to the proxy URL, log in as username@target-site,
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and continue as usual.
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* Add a --range parameter allowing you to explicitly specify a range of bytes to
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get from a file over HTTP (FTP only supports ranges ending at the end of the
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file, though forcibly disconnecting from the server at the desired endpoint
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might be workable).
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* If multiple FTP URLs are specified that are on the same host, Wget should
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re-use the connection rather than opening a new one for each file.
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* Try to devise a scheme so that, when password is unknown, Wget asks
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the user for one.
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* If -c used with -N, check to make sure a file hasn't changed on the server
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before "continuing" to download it (preventing a bogus hybrid file).
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* Generalize --html-extension to something like --mime-extensions and have it
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look at mime.types/mimecap file for preferred extension. Non-HTML files with
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filenames changed this way would be re-downloaded each time despite -N unless
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.orig files were saved for them. Since .orig would contain the same data as
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non-.orig, the latter could be just a link to the former. Another possibility
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would be to implement a per-directory database called something like
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.wget_url_mapping containing URLs and their corresponding filenames.
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* When spanning hosts, there's no way to say that you are only interested in
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files in a certain directory on _one_ of the hosts (-I and -X apply to all).
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Perhaps -I and -X should take an optional hostname before the directory?
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* Add an option to not encode special characters like ' ' and '~' when saving
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local files. Would be good to have a mode that encodes all special characters
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(as now), one that encodes none (as above), and one that only encodes a
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character if it was encoded in the original URL (e.g. %20 but not %7E).
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* --retr-symlinks should cause wget to traverse links to directories too.
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* Make wget return non-zero status in more situations, like incorrect HTTP auth.
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* Make -K compare X.orig to X and move the former on top of the latter if
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they're the same, rather than leaving identical .orig files laying around.
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* Make `-k' check for files that were downloaded in the past and convert links
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to them in newly-downloaded documents.
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* Add option to clobber existing file names (no `.N' suffixes).
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* Introduce a concept of "boolean" options. For instance, every
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boolean option `--foo' would have a `--no-foo' equivalent for
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turning it off. Get rid of `--foo=no' stuff. Short options would
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be handled as `-x' vs. `-nx'.
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* Add option to only list wildcard matches without doing the download.
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* Add case-insensitivity as an option.
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* Handle MIME types correctly. There should be an option to (not)
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retrieve files based on MIME types, e.g. `--accept-types=image/*'.
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* Implement "persistent" retrieving. In "persistent" mode Wget should
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treat most of the errors as transient.
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* Allow time-stamping by arbitrary date.
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* Allow size limit to files (perhaps with an option to download oversize files
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up through the limit or not at all, to get more functionality than [u]limit.
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* Download to .in* when mirroring.
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* Add an option to delete or move no-longer-existent files when mirroring.
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* Implement uploading (--upload URL?) in FTP and HTTP.
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* Rewrite FTP code to allow for easy addition of new commands. It
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should probably be coded as a simple DFA engine.
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* Make HTTP timestamping use If-Modified-Since facility.
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* Implement better spider options.
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* Add more protocols (e.g. gopher and news), implementing them in a
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modular fashion.
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* Implement a concept of "packages" a la mirror.
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* Add a "rollback" option to have continued retrieval throw away a
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configurable number of bytes at the end of a file before resuming
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download. Apparently, some stupid proxies insert a "transfer
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interrupted" string we need to get rid of.
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* When using --accept and --reject, you can end up with empty directories. Have
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Wget any such at the end.
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