(re)introduced categories section

[confetti] / categories / edit_categories.sh

diff --git a/categories/edit_categories.sh b/categories/edit_categories.sh
new file mode 100755 (executable)
index 0000000..fe97790
--- /dev/null
+++ b/categories/edit_categories.sh
@@ -0,0 +1,31 @@
+#!/bin/zsh
+
+# Copyright 2015 - 2016 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/>. 
+
+catfile="${_DATA}/mappings/categories"
+
+remove="$(POST remove)"
+newcat="$(POST newcat)"
+
+if [ "$(POST add)" = "add" ]; then
+  printf %s\\n "$newcat" >>"$catfile"
+elif [ "$remove" ]; then
+  sed -Ei '/^'"${remove}"'$/d' "$catfile"
+fi
+
+REDIRECT "/categories/"