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.Dd December 13, 2017
.Dt SFEED_WEB 1
.Os
.Sh NAME
.Nm sfeed_web
.Nd finds urls to feeds from a HTML webpage
.Sh SYNOPSIS
.Nm
.Op Ar baseurl
.Sh DESCRIPTION
.Nm
reads the HTML website as XML or HTML data from stdin and writes the found
urls to stdout.
.Sh OPTIONS
.Bl -tag -width 8n
.It Ar baseurl
Optional base url to use for found feed urls that are relative.
.El
.Sh OUTPUT FORMAT
url<TAB>content\-type<newline>
.Bl -tag -width Ds
.It url
Found relative or absolute url.
If the url is relative and the
.Ar baseurl
option is
specified then the url is made absolute.
If the url is relative and no
.Ar baseurl
option is specified then it is printed as is.
.It content\-type
Usually application/atom+xml or application/rss+xml.
.El
.Sh EXAMPLES
Get urls from xkcd website:
.Bd -literal
curl -s -L http://www.xkcd.com | sfeed_web "http://www.xkcd.com/"
.Ed
.Sh SEE ALSO
.Xr sfeed_update 1 ,
.Xr sh 1
.Sh AUTHORS
.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org
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