generate xml sitemap using bash script and jq to fetch remote json

generate xml sitemap using bash script and jq to fetch remote json

#!/bin/bash
# Bash script to generate a sitemap.xml from external json data
# Author: Sam Deering

# POSIX variable reset in case getopts has been used previously
OPTIND=1

# Initialize our own variables:
URL='http://localhost:4200/items.json'

while getopts "u:" opt; do
    case "$opt" in
    u)  URL=$OPTARG
        ;;
    esac
done

shift $((OPTIND-1))
[ "${1:-}" = "--" ] && shift

# generate sitemap.xml
echo "<?xml version=\"1.0\"?>" > sitemap.xml
echo "<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">" >> sitemap.xml

# homepage
echo "<url>" >> sitemap.xml
echo "<loc>https://example.com/</loc>" >> sitemap.xml
echo "<changefreq>daily</changefreq>" >> sitemap.xml
echo "<priority>1.0</priority>" >> sitemap.xml
echo "</url>" >> sitemap.xml

# collection item pages
ITEMS=$(curl $URL)

echo "$ITEMS" | jq -c '.data[]' | while IFS= read -r line; do
  echo "<url>" >> sitemap.xml
  PERMALINK=$(echo "$line" | jq -j '.permalink')
  echo "<loc>${PERMALINK}</loc>" >> sitemap.xml
  echo "<changefreq>weekly</changefreq>" >> sitemap.xml
  echo "<priority>0.5</priority>" >> sitemap.xml
  echo "</url>" >> sitemap.xml
done

echo "</urlset>" >> sitemap.xml