1 files changed, 20 insertions, 0 deletions
diff --git a/src/categories b/src/categories
new file mode 100755
index 0000000..a054069
--- /dev/null
+++ b/src/categories
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -euo pipefail
+
+
+usage() {
+	echo 'Usage: categories DIRECTORY'
+}
+
+DIRECTORY="${1:-}"
+eval "$(assert-arg -- "$DIRECTORY" 'DIRECTORY')"
+
+listall() {
+	find "$DIRECTORY"/category.*.*.sortdata | cut -d. -f2 | sort | uniq
+}
+
+for category in `listall`; do
+	out="$DIRECTORY"/categories."$category".sortdata
+	cat "$DIRECTORY"/category."$category".*.sortdata > "$out"
+	printf '%s\n' "$out"
+done