Blender script for fix normals on selected objects

fix_normals.py

# Usage:
#  1. Select the objects in blender
#  2. Open a Text Editor view in Blender.
#  3. Press Alt + O, or go to Text>Open Text Block and open the .py file
#  4. Then simply press Run script
import bpy

if bpy.context.selected_objects != []:
    for obj in bpy.context.selected_objects:
        if obj.type == 'MESH':
            print(obj.name)
            bpy.context.scene.objects.active = obj
            bpy.ops.object.editmode_toggle()
            bpy.ops.mesh.select_all(action='SELECT')
            bpy.ops.mesh.normals_make_consistent(inside=False)
            bpy.ops.object.editmode_toggle()