Reorganise gists folder

tools/concat.py

@@ -0,0 +1,16 @@
+#!/usr/bin/python3
+#concats all files and stdin given as arguments and prepends output with filenames
+import fileinput
+import sys
+import os
+
+#remove all non regular files
+sys.argv = [f for f in sys.argv if os.path.isfile(f)]
+
+# if stdin has data add stdin to filelist
+if not sys.stdin.isatty():
+    sys.argv.append("-")
+
+# concat all lines from all files 
+for line in fileinput.input():
+    print(f'{fileinput.filename()}:{line.strip()}')