Add atom->rss conversion
This commit is contained in:
Lucidiot
parent
f4f4179261
commit
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GPG Key ID:
3358C1CA6906FB8D
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@ -1,5 +1,8 @@
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#!/bin/bash
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[ -z "$DIR" ] && DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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xsltproc "$DIR/xslt/feedgen.xsl" "$DIR/itsb.xml" | DIR="$DIR" bash -s -- "$@"
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xsltproc "$DIR/xslt/opml.xsl" "$DIR/itsb.xml" > "$DIR/feeds.opml"
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xsltproc "$DIR/xslt/html.xsl" "$DIR/itsb.xml" > "$DIR/index.html"
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xsltproc "$DIR/xslt/itsb.xsl" "$DIR/itsb.xml" \
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| tee \
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>(xsltproc "$DIR/xslt/opml.xsl" - > "$DIR/feeds.opml") \
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>(xsltproc "$DIR/xslt/html.xsl" - > "$DIR/index.html") \
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| xsltproc "$DIR/xslt/feedgen.xsl" - \
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| DIR="$DIR" bash -s -- "$@"
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@ -0,0 +1,72 @@
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# Atom 1.0 to RSS 2.0 converter
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# Expects xmltodict JSON output, returns xmltodict-compatible JSON
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def ensure_string: if type == "array" then .[0] else . end | if type == "object" then .["#text"] else . end;
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def ensure_array: (. // []) | if type == "array" then . else [.] end;
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def find_links(rel): [(.link // []) | if type == "array" then .[] else . end | select(.["@rel"] == rel)];
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def parse_categories: [
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.category
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| ensure_array[]
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| { "#text": .["@term"] }
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+ (if .["@scheme"] then {"@domain": .["@scheme"]} else {} end)
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];
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def parse_date: (try (.updated // .published) | fromdateiso8601 | strftime("%a, %d %b %Y %T %z")) // [];
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{
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"rss": {
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"@version": "2.0",
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"channel": (
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.feed as $feed
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| .feed
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| {
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"title": .title,
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"link": (find_links("self")[0]["@href"] // .id),
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"pubDate": parse_date,
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"lastBuildDate": parse_date,
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"category": parse_categories,
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"generator": (.generator | ensure_string // []),
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"description": (.subtitle | ensure_string // []),
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"copyright": (.rights | ensure_string // []),
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"language": (.["@xml:lang"] | ensure_string // []),
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"item": [
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.entry[]
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| {
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"title": .title,
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"guid": {
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"@isPermaLink": "false",
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"#text": .id
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},
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"link": (find_links("alternate")[0]["@href"]? // []),
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"pubDate": parse_date,
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"description": ((.summary // .content) | ensure_string | []),
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"author": ((
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# Pick the first author tag, falling back to the feed's authors if needed
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((.author | ensure_array) + ($feed.author | ensure_array))[0] // {}
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| if .email then "\(.email) (\(.name))" else .name end
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) // []),
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"category": parse_categories,
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"source": (if .source then {
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"@url": .id,
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"#text": .title
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} else [] end),
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"enclosure": [
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find_links("enclosure")[]
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| {
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"@url": .["@href"],
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"@type": (.["@type"] | ensure_string // []),
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"@length": (.["@length"] | ensure_string // [])
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}
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]
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}
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]
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}
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| . + if ($feed.logo // $feed.icon) then {
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"image": {
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"title": .title,
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"link": .link,
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"url": ($feed.logo // $feed.icon)
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}
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} else {} end
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)
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}
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}
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@ -31,7 +31,7 @@
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template match="/">
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<xsl:text><![CDATA[#!/bin/bash
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@ -54,7 +54,7 @@ function log {
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[ -z "$DIR" ] && DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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log Building to $DIR/feeds
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mkdir -p $DIR/feeds
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mkdir -p $DIR/feeds/_rss
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if ! command -v json2xml >/dev/null 2>&1; then
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log "Adding $DIR/bin to PATH"
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@ -64,7 +64,7 @@ fi
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]]></xsl:text>
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<xsl:apply-templates select="//itsb:feed[not(itsb:link)]" />
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</xsl:template>
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<xsl:template match="itsb:feed[not(itsb:link)]">
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<xsl:text>log Building </xsl:text>
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<xsl:value-of select="./@id" />
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@ -134,7 +134,7 @@ fi
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</xsl:call-template>
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<xsl:text>'</xsl:text>
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</xsl:template>
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<xsl:template match="itsb:jq">
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<xsl:text>jq \
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-L $DIR/jq \
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@ -158,7 +158,7 @@ fi
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</xsl:call-template>
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<xsl:text>'</xsl:text>
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</xsl:template>
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<xsl:template match="itsb:pup">
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<xsl:text>pup '</xsl:text>
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<xsl:call-template name="escape">
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@ -204,7 +204,7 @@ fi
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</xsl:call-template>
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<xsl:text>'</xsl:text>
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</xsl:template>
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<xsl:template match="itsb:shell">
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<!-- good luck! -->
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<xsl:value-of select="text()" />
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@ -0,0 +1,81 @@
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<?xml version="1.0" encoding="utf-8"?>
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<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns="http://tilde.town/~lucidiot/itsb/"
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xmlns:itsb="http://tilde.town/~lucidiot/itsb/">
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<xsl:output method="xml" />
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<!--
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Preprocesses the itsb.xml file to autocomplete with converted feeds.
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-->
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<xsl:template match="node()|@*">
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<xsl:copy>
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<xsl:apply-templates select="node()|@*" />
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</xsl:copy>
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</xsl:template>
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<xsl:template match="itsb:feed">
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<xsl:copy-of select="." />
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<!-- Store attributes in variables to make them accessible in conditionals later on -->
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<xsl:variable name="lang" select="@lang" />
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<xsl:variable name="type" select="@type" />
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<!-- This is an Atom feed and there is no RSS feed: add a conversion -->
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<xsl:if test="@format = 'atom' and not(../itsb:feed[((not(@lang) and not($lang)) or @lang = $lang) and ((not(@type) and not($type)) or @type = $type) and (@format = 'rss' or @format = 'rdf')])">
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<feed>
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<xsl:if test="@lang">
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<xsl:attribute name="lang">
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<xsl:value-of select="@lang" />
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</xsl:attribute>
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</xsl:if>
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<xsl:if test="@type">
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<xsl:attribute name="type">
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<xsl:value-of select="@type" />
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</xsl:attribute>
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</xsl:if>
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<xsl:attribute name="id">
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<xsl:value-of select="@id" />
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<xsl:text>-2rss</xsl:text>
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</xsl:attribute>
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<xsl:attribute name="format">rss</xsl:attribute>
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<xsl:choose>
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<xsl:when test="itsb:output">
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<shell>
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<xsl:text>cat $DIR/feeds/</xsl:text>
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<xsl:value-of select="itsb:output/text()" />
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</shell>
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</xsl:when>
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<xsl:otherwise>
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<curl>
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<url>
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<xsl:value-of select="itsb:link/text()" />
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</url>
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</curl>
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</xsl:otherwise>
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</xsl:choose>
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<xml2json />
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<jq path="convert/atom2rss.jq" />
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<json2xml />
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<output>
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<xsl:text>_rss/</xsl:text>
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<xsl:choose>
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<xsl:when test="itsb:output">
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<xsl:value-of select="itsb:output/text()" />
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="@id" />
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<xsl:text>.xml</xsl:text>
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</xsl:otherwise>
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</xsl:choose>
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</output>
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</feed>
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</xsl:if>
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</xsl:template>
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</xsl:stylesheet>
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