ISIS3 helper scripts or routines to be used with the Astrogeology Integrated Software for Imagers and Spectrometers (version 3) digital image processing software package. Scripts maybe written in any language like PERL, Python, or even bash or csh.
ISIS3 main website: https://isis.astrogeology.usgs.gov/
ISIS3 support pages: https://isis.astrogeology.usgs.gov/fixit/projects/isis/news/
This scripts are not officially support and are to be used at your own risk.