Really find all state files.

Depending on input, some state files can starts with ".", and are not
matched by "state/*".

parallel_parse.sh

@@ -27,4 +27,5 @@ fi
 # XXX: any simpler way ?
 xargs -0 -r -n 1 -P $PARALLELISM -I "@FILE@" -- "$SHELL" -c 'INFILE="$1";shift;STATE_DIR="$1";shift;echo -n .;"$@" -Q --format json --out "$STATE_DIR/$(sed s:/:@:g <<< "$INFILE").json" "$INFILE"' "$0" "@FILE@" "$STATE_DIR" "$@"
 echo
-"$@" --out "$OUT_FILE" --state-file "$STATE_DIR"/*
+# XXX: what if there are too many state files for a single execution ?
+find "$STATE_DIR" -type f -print0 | xargs -0 -r "$@" --out "$OUT_FILE" --state-file