1 files changed, 36 insertions, 0 deletions
diff --git a/utils/fdata b/utils/fdata
new file mode 100644
index 0000000..4d36242
--- /dev/null
+++ b/utils/fdata
@@ -0,0 +1,36 @@
+# vim:ft=sh:noexpandtab
+# Datasets on filesystem
+
+FDATA_PATH="/tmp/multiconfig-fdata"
+mkdir -p "$FDATA_PATH"
+cleaner_add "rm -rf '$FDATA_PATH'"
+
+dict_set() {
+	local DPATH="$FDATA_PATH/$1"; shift
+	mkdir -p "$DPATH"
+	local FPATH="$DPATH/$1"; shift
+	echo "$@" > "$FPATH"
+}
+
+dict_get() {
+	local P="$FDATA_PATH/$1/$2"
+	[ -f "$P" ] || return
+	cat "$P"
+}
+
+dict_keys() {
+	local P="$FDATA_PATH/$1"
+	if [ -d "$P" ]; then
+		ls -A "$P" | tr '\n' ' '
+	fi
+}
+
+dict_contains() {
+	local P="$FDATA_PATH/$1/$2"
+	[ -f "$P" ]
+}
+
+dict_empty() {
+	local P="$FDATA_PATH/$1"
+	[ ! -d "$P" ] || [ -z "$(ls -A "$P")" ]
+}