[[!meta copyright="Copyright © 2013 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled [[GNU Free Documentation License|/fdl]]."]]"""]] `httpfs` is a virtual filesystem allowing you to access web pages and files. # Source <http://www.nongnu.org/hurdextras/#httpfs> # Documentation ## IRC, freenode, #hurd, 2013-09-03 [[!tag open_issue_documentation]] <congzhang> hi, why I can't cd to /http:/richtlijn.be/~larstiq/hurd/ to do <congzhang> grep? <pinotree> this is not ftp <congzhang> it works for other file <pinotree> ? <congzhang> I can't cd to ~larstiq, I don't know why <pinotree> http is not a filesystem protocol <pinotree> while httpfs could try in representing it as such, it is not something reliable <congzhang> ok, it's not reliable <congzhang> I expect it can expose dir like browser <congzhang> so, the translator just know href from home page, and one by one <pinotree> uh? <congzhang> if ...:80/a/b/c.png exits, but not has a href in homepage, so I can't cd to a, right? <pinotree> you are looking things from the wrong point of view <pinotree> a web server can do anything with URLs, including redirecting, URL rewriting and whatever else <congzhang> so, how to understand httpfs's idea? <congzhang> how httpfs list dir? <pinotree> check its code <congzhang> en, no need it's not reliable <congzhang> it's not work, it's enough <congzhang> I have an idea, for the file system, we explore dir level by level, but for http, we change full path one <congzhang> once time <congzhang> maybe can allow user to cd any directory, and just mark as some special color to make user know the translator was not sure, file exist or not <congzhang> once the file exits, mark all the parent directory as normal color? <rekado> congzhang: you can find more info about httpfs here: http://nongnu.org/hurdextras/ <pinotree> congzhang: you're still looking at http from the wrong point of view <pinotree> there are no directories nor files <pinotree> you start a request for a URL, and you get some content back (in case there's no error) <congzhang> you mean httpfs just for kidding? <pinotree> that the content is a web page listing a directory on the filesystem of the web server machine, or a file sent back via the connection, or a complex web page, it's the same <rekado> congzhang: you can only get a list of files if the web server responds with an index of files <pinotree> "files" <rekado> The readme explains how httpfs does its thing: http://cvs.savannah.gnu.org/viewvc/*checkout*/httpfs/README?root=hurdextras <congzhang> if I can't cd to /http:/host/a/b how to get /http:/host/a/b/c.html, even the file exist? <pinotree> you don't cd in http <pinotree> cd is for changing directory, which does not apply to a protocol like http which is not fs-oriented <congzhang> yes, I agree with you, http was not fs-oriented <congzhang> so httpfs was not so useful <rekado> You can access the document directly, though, can't you? <congzhang> rekado: I try once more <congzhang> I can't <congzhang> so, the httpfs need some extend, http protocol was not fs oriented, so need some extend to make it work with file system <pinotree> http is not designed for file system usage, so extending it is useless <congzhang> or, httpfs was not so useful <pinotree> there are many other protocols for file systems <congzhang> I don't think so <pinotree> i do <congzhang> if we can't make it more useful, remove it from hurd rep, or extend it more useful <congzhang> add some more rule, to make it work with file system <pinotree> no <congzhang> some paradox in it <pinotree> which paradox? <congzhang> for http vs file system <pinotree> ??? <congzhang> tree oriented and star topology oriented? <pinotree> you don't make any sense