Slow processing when using saxon9HE.jar (20 files generated on ~40s, 1 every 2s).

csv2svg-text.bash

scriptDir="$(dirname "$0")" # emplacement du script
. "$scriptDir"/envrc # project variables

inputFile="${2:-"$HPF_UNIHAN_READING_SHORT"}"

while IFS=';' read -r unicode hanzi pinyin;
do
  outputFile="$HPF_SVGTEXT_DIR/$hanzi-x${unicode#U+*}.svg"
  printf "creating: %s\n" "$outputFile"

  xsltproc -o "$outputFile" \
    --stringparam unicode "$unicode" \
    --stringparam hanzi "$hanzi" \
    --stringparam pinyin "$pinyin" \
    "$HPF_XSLT_CSV2SVG" "$HPF_TPL_SVGTEXT"
done < "$inputFile"

csv2svg.xsl

<?xml version="1.0" encoding="UTF-8"?>
<!--
@description
	Place hanzi and pinyin in the correct element
@upstream: true
-->
<xsl:stylesheet version="2.0"
  xmlns="http://www.w3.org/2000/svg"
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:xs="http://www.w3.org/2001/XMLSchema"

	exclude-result-prefixes="#default xsl xs"
>

<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!-- ++++++++++++++++++++++++++ CONSTANT +++++++++++++++++++++++++ -->
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->

<xsl:variable	 name="emptyString" select="''" />

<!-- When we want to strip content using a CLASS -->
<xsl:param   name="hanzi" select="NO-HANZI" />
<xsl:param   name="pinyin" select="NO-PINYIN" />


<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!-- ++++++++++++++++++++++++++ TEMPLATE +++++++++++++++++++++++++ -->
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->

<xsl:template match="/">
<xsl:message>WIP: <xsl:value-of select="$hanzi" />/<xsl:value-of select="$pinyin" />/</xsl:message>
<!-- font/glyph/@glyph-name -->
<!-- font/glyph/@unicode -->
  <xsl:apply-templates />
</xsl:template>


<xsl:template match="*[@id='hanzi-glyph']/text()">
  <xsl:value-of select="$hanzi" />
</xsl:template>

<xsl:template match="*[@id='pinyin-text']">
  <xsl:value-of select="$pinyin" />
</xsl:template>


<xsl:template match="@*|node()">
  <xsl:copy>
    <xsl:apply-templates select="@*|node()"/>
  </xsl:copy>
</xsl:template>

</xsl:stylesheet>

unicode-pinyin.csv

U+3400;㐀;qiū
U+3401;㐁;tiàn
U+3404;㐄;kuà
U+3405;㐅;wǔ
U+3406;㐆;yǐn
U+340C;㐌;yí
U+3416;㐖;xié
U+341C;㐜;chóu
U+3421;㐡;nuò
U+3424;㐤;dān

爱.svg

I end up using xsltproc instead of saxon:

xsltproc -o "$outputFile" \
  --stringparam unicode "$unicode" \
  --stringparam hanzi "$hanzi" \
  --stringparam pinyin "$pinyin" \
  "$HPF_XSLT_CSV2SVG" "$HPF_TPL_SVGTEXT"