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d1a0d267b7
Local changes incorporated by 0.4.5: r284340 Local changes retained: r276260, r282117 Obtained from: https://github.com/Juniper/libxo
174 lines
3.6 KiB
Groff
174 lines
3.6 KiB
Groff
.\" #
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.\" # Copyright (c) 2014, Juniper Networks, Inc.
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.\" # All rights reserved.
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.\" # This SOFTWARE is licensed under the LICENSE provided in the
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.\" # ../Copyright file. By downloading, installing, copying, or
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.\" # using the SOFTWARE, you agree to be bound by the terms of that
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.\" # LICENSE.
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.\" # Phil Shafer, July 2014
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.\"
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.Dd December 4, 2014
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.Dt XO 1
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.Os
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.Sh NAME
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.Nm xo
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.Nd emit formatted output based on format string and arguments
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.Sh SYNOPSIS
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.Nm
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.Op Fl options
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.Op Ar argument...
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.Sh DESCRIPTION
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The
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.Nm
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utility allows command line access to the functionality of
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the
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.Nm libxo
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library.
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Using
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.Nm ,
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shell scripts can emit
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.Em XML ,
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.Em JSON ,
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or
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.Em HTML
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using the same commands that emit text output.
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.Pp
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.Bl -tag -width "12345678901234567"
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.It Fl "-close <path>"
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Close tags for the given path
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.It Fl "-depth <num>"
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Set the depth for pretty printing
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.It Fl "-help"
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Display this help text
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.It Fl "-html OR -H"
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Generate HTML output
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.It Fl "-json OR -J"
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Generate JSON output
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.It Fl "-leading-xpath <path>"
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Add a prefix to generated XPaths (HTML)
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.It Fl "-open <path>"
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Open tags for the given path
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.It Fl "-pretty OR -p"
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Make 'pretty' output (add indent, newlines)
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.It Fl "-style <style>"
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Generate given style (xml, json, text, html)
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.It Fl "-text OR -T"
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Generate text output (the default style)
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.It Fl "-version"
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Display version information
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.It Fl "-warn OR -W"
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Display warnings in text on stderr
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.It Fl "-warn-xml"
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Display warnings in xml on stdout
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.It Fl "-wrap <path>"
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Wrap output in a set of containers
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.It Fl "-xml OR -X"
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Generate XML output
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.It Fl "-xpath"
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Add XPath data to HTML output
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.El
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.Pp
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The
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.Nm
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utility accepts a format string suitable for
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.Xr xo_emit 3
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and a set of zero or more arguments used to supply data for that string.
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.Bd -literal -offset indent
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xo "The {k:name} weighs {:weight/%d} pounds.\\n" fish 6
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TEXT:
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The fish weighs 6 pounds.
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XML:
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<name>fish</name>
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<weight>6</weight>
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JSON:
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"name": "fish",
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"weight": 6
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HTML:
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<div class="line">
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<div class="text">The </div>
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<div class="data" data-tag="name">fish</div>
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<div class="text"> weighs </div>
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<div class="data" data-tag="weight">6</div>
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<div class="text"> pounds.</div>
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</div>
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.Ed
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.Pp
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The
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.Fl "-wrap <path>"
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option can be used to wrap emitted content in a
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specific hierarchy.
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The path is a set of hierarchical names separated
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by the '/' character.
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.Bd -literal -offset indent
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xo --wrap top/a/b/c '{:tag}' value
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XML:
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<top>
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<a>
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<b>
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<c>
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<tag>value</tag>
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</c>
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</b>
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</a>
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</top>
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JSON:
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"top": {
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"a": {
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"b": {
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"c": {
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"tag": "value"
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}
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}
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}
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}
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.Ed
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.Pp
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The
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.Fl "\-open <path>"
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and
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.Fl "\-close <path>"
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can be used to emit
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hierarchical information without the matching close and open
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tag.
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This allows a shell script to emit open tags, data, and
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then close tags.
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The
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.Fl \-depth
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option may be used to set the
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depth for indentation.
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The
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.Fl "\-leading-xpath"
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may be used to
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prepend data to the XPath values used for HTML output style.
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.Bd -literal -offset indent
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#!/bin/sh
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xo --open top/data
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xo --depth 2 '{tag}' value
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xo --close top/data
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XML:
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<top>
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<data>
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<tag>value</tag>
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</data>
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</top>
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JSON:
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"top": {
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"data": {
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"tag": "value"
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}
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}
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.Ed
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.Sh EXAMPLE
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.Bd -literal
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% xo 'The {:product} is {:status}\n' stereo "in route"
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The stereo is in route
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% xo -p -X 'The {:product} is {:status}\n' stereo "in route"
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<product>stereo</product>
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<status>in route</status>
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.Ed
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.Sh SEE ALSO
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.Xr libxo 3 ,
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.Xr xo_emit 3
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