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LEARN ABOUT PLAN9

mothra

MOTHRA(1)						      General Commands Manual							 MOTHRA(1)

NAME

       mothra - retrieve World-Wide Web files

SYNOPSIS

       mothra [ url ]

DESCRIPTION

       Mothra  retrieves  and displays files from the World-Wide Web, by name or through hypertext links.  Web names, called URLs, have a peculiar
       syntax:

	      http://netlib.att.com/netlib/1127/www/1127.html
	      http://akebono.stanford.edu:80/yahoo/
	      http://www.teleport.com/~crowell/
	      file:/sys/lib/mothra/help.html
	      file:html2.elements.html#ADDRESS
	      ftp://ftp.gmd.de/music/scores/harrington/Harrington.readme
	      gopher://gopher.bev.net/11/BevBus/King.Video

       The part up to the first colon gives the protocol for retrieving the file.  http:, Hyper-Text  Transfer	Protocol,  is  the  usual  way	of
       accessing web files.  file: names a file in the local file system.  ftp: and gopher: are standard Internet services.

       //  begins  the	Internet address of the server where the file resides.	The address may contain a colon and a TCP port number, which over-
       rides the default port number for the service.  Next comes a file name.	Finally, the file name may be followed by # and a string giving  a
       label within the file where the display should begin.

       Mothra	starts	 with	the   url   given   on	 the   command	line,  defaulting  to  the  environment  variable  $url,  and  finally	to
       file:/sys/lib/mothra/start.html.

       The display contains the last message from mothra, a box where typed commands appear, a scrollable list of previously  visited  files,  the
       title and URL of the current file, and the scrollable text of the current file.

       Button  1  selects  and displays a file, either from the list of previously visited pages or from a link (indicated by underlined text or a
       boxed image) in the current file.  Button 2 shows the URL of a file, but does not retrieve or display it.  Button 3 pops up a menu of  com-
       mands:

       save back
	      Place a link to the current file in a `back list' for future reference.

       get back
	      Retrieve and display the back list.

       fix cmap
	      Adjust the display's color map so that images will have correct colors.

       exit   Ask for confirmation and quit.

       The typed commands are:

       g url  Get the page with the given URL.

       s file Save the current file in the given file.

       q      Quit.

       ?

       h      Get help.

       When  mothra  retrieves	a file that is not an HTML document (for example a GIF or JPEG image), it will start up an appropriate viewer, for
       example fb/9v (see 9v(9.1)) for image files.

FILES

       /sys/lib/mothra/*
       $home/lib/mothra/back.html the back list
       $home/lib/mothra/mothra.url log of visited URLs
       $home/lib/mothra/mothra.err log of error messages, including HTML syntax errors

SOURCE

       /sys/src/cmd/mothra

BUGS

       ftp: URLs are not supported.
       Files are saved in the form received, not in the form suggested by the name in an s command.
       Mothra is distributed in a preliminary state; it has more than its share of bugs.

																	 MOTHRA(1)