import *.stl scale and pack in one total.blend

stl_scaler.py

import os
import bpy

def process(filepath):
    print("import %s"%filepath)
    bpy.ops.import_mesh.stl(filepath=filepath)
    for obj in bpy.context.selected_objects:
        obj.scale = (.01, .01, .01)
    print("done")


bpy.ops.object.select_all(action='SELECT')
bpy.ops.object.delete()

for directory, dirnames, filenames in os.walk("."):
    for filename in filenames:
        if filename.lower().endswith(".stl"):
            process(filename)


bpy.ops.wm.save_mainfile(filepath="total.blend", compress=True)