(re)introduced categories section

[confetti] / categories / update_categories.sh

diff --git a/categories/update_categories.sh b/categories/update_categories.sh
new file mode 100755 (executable)
index 0000000..944c3d2
--- /dev/null
+++ b/categories/update_categories.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Copyright 2016, 2021 Paul Hänsch
+#
+# This file is part of Confetti.
+# 
+# Confetti is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# Confetti is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with Confetti.  If not, see <http://www.gnu.org/licenses/>. 
+
+. "$_EXEC"/cgilite/storage.sh
+. "$_EXEC"/pdiread.sh
+
+catfile="${_DATA}/mappings/categories"
+
+for card in "${_DATA}"/vcard/*.vcf; do
+  n='' postcats='' cardcats=''
+  vcf="$(pdi_load "$card")"
+
+  n=1; while postcats="${postcats}${postcats:+,}$(POST "${card##*/}" $n)"; do n=$((n+1)); done
+  n=1; while cardcats="${cardcats}${cardcats:+,}$(pdi_value "$vcf" CATEGORIES $n)"; do n=$((n+1)); done
+
+  if [ "${postcats}" != "${cardcats}" ] && LOCK "$card"; then
+    sed -ri '
+      /^CATEGORIES[;:]/d
+      /^END;?:VCARD *\r?$/iCATEGORIES:'"${postcats%,}"'\r
+    ' "${card}"
+    RELEASE "$card"
+  fi
+done
+
+REDIRECT /categories/