Add safe path into PATH

bin/path-uniq.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import select
+import os
+from sys import stdin, stdout, argv
+
+if stdin.isatty():
+	path = os.environ['PATH']
+else:
+	path = stdin.readline()
+
+filtered = []
+parts = path.strip().split(':')
+parts.extend(argv[1:])
+for part in parts:
+	if part not in filtered:
+		filtered.append(part)
+stdout.write(':'.join(filtered) + "\n")