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.\"
.IX Title "url_handler.pl 1"
.TH url_handler.pl 1 "January 13th, 2020" "0.1.3" "Spawn appropriate viewer for a given URL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
url_handler.pl \- Spawn appropriate viewer for a given URL
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBurl_handler.pl\fR \fI\s-1URL\s0\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBurl_handler.pl\fR takes an \s-1URL\s0 as argument and spawns the first executable
viewer found in either \fB\f(CB$BROWSER_\fB\f(BI\s-1SCHEME\s0\fB\fR or \fB\f(CB$BROWSER\fB\fR.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
.ie n .IP "\fB\fB$BROWSER_\fB\f(BI\s-1SCHEME\s0\fB\fR" 4
.el .IP "\fB\f(CB$BROWSER_\fB\f(BI\s-1SCHEME\s0\fB\fR" 4
.IX Item "$BROWSER_SCHEME"
.PP
The user's preferred utility to browse URLs of type \fI\s-1SCHEME\s0\fR. May actually
consist of a sequence of colon-separated browser commands to be tried in
order until one succeeds. If a command part contains \f(CW%s\fR, the \s-1URL\s0 is
substituted there, otherwise the browser command is simply called with the
\&\s-1URL\s0 as its last argument. %% is replaced by a single percent sign (%), and
\&\f(CW%c\fR is replaced by a colon (:).
Examples:
.ie n .IP "$BROWSER_FTP=""wget:ncftp""" 2
.el .IP "\f(CW$BROWSER_FTP\fR=``wget:ncftp''" 2
.IX Item "$BROWSER_FTP=wget:ncftp"
.PD 0
.ie n .IP "$BROWSER_GOPHER=""gopher:lynx:links""" 2
.el .IP "\f(CW$BROWSER_GOPHER\fR=``gopher:lynx:links''" 2
.IX Item "$BROWSER_GOPHER=lynx:links"
.ie n .IP "$BROWSER_MAILTO=""mutt:pine \-url""" 2
.el .IP "\f(CW$BROWSER_MAILTO\fR=``mutt:pine \-url''" 2
.IX Item "$BROWSER_MAILTO=mutt:pine -url"
.ie n .IP "$BROWSER_NEWS=""lynx""" 2
.el .IP "\f(CW$BROWSER_NEWS\fR=``lynx''" 2
.IX Item "$BROWSER_NEWS=lynx"
.ie n .IP "$BROWSER_NNTP=""lynx""" 2
.el .IP "\f(CW$BROWSER_NNTP\fR=``lynx''" 2
.IX Item "$BROWSER_NNTP=lynx"
.PD
.PP

.ie n .IP "\fB\fB$BROWSER\fB\fR" 4
.el .IP "\fB\f(CB$BROWSER\fB\fR" 4
.IX Item "$BROWSER"
.PP
The user's preferred utility to browse URLs for which there is no special
viewer defined via \fB\f(CB$BROWSER_\fB\f(BI\s-1SCHEME\s0\fB\fR. Again it may actually consist of a
sequence of colon-separated browser commands to be tried in order until one
succeeds. If a command part contains \f(CW%s\fR, the \s-1URL\s0 is substituted there,
otherwise the browser command is simply called with the \s-1URL\s0 as its last
argument. %% is replaced by a single percent sign (%), and \f(CW%c\fR is replaced
by a colon (:).
Examples:
.ie n .IP "$BROWSER=""firefox \-a firefox \-remote openURL\e(%s\e):opera:konqueror:links2 \-g:lynx:w3m""" 2
.el .IP "\f(CW$BROWSER\fR=``firefox \-a firefox \-remote openURL\e(%s\e):opera:konqueror:links2 \-g:lynx:w3m''" 2
.IX Item "$BROWSER=firefox -a firefox -remote openURL):opera:konqueror:links2 -g:lynx:w3m"
.SH "SECURITY"
.IX Header "SECURITY"
\&\fBurl_handler.pl\fR was designed to work together with \fItin\fR\|(1) which only
issues shell escaped absolute URLs thus \fBurl_handler.pl\fR does not try hard
to shell escape its input nor does it convert relative URLs into absolute
ones! If you use \fBurl_handler.pl\fR from other applications be sure to at
least shell escape its input!
.SH "AUTHOR"
.IX Header "AUTHOR"
Urs Janssen <urs@tin.org>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
<http://www.catb.org/~esr/BROWSER/>