〇This is assorted Blender scripts. Including scripts as follows now.
This scripts supported version2.8.
1,Separation.py
This script identify fixed character in file name of placed texture on node editor
to render base color,metalic,roughness,normal,etc.

2,pivot_change.py
This script change select vertex on edit mode to pivot point on object mode.

〇Install
Start Blender, next select Edit→Preferences→Add-ons→Install, you want 
install .py file selected on file browser to push 'Install Add-on from File'.

〇Manual
Please reference https://akim-muto.github.io/scripts_island/