Note: The diffcol process' task.pl and environment.pl that used to live in this top-level diffcol folder
have been moved to https://trac.greenstone.org/browser/main/trunk/gs-release-builder/envi/etc/tasks/diffcol


For instructions on the use of
1. diffcol (the diffcol task), see
http://internal.greenstone.org/wiki/About_Nightly_Crons#Diffcol
http://internal.greenstone.org/wiki/About_Nightly_Crons#Setting_up_and_running_diffcol_on_Windows
http://internal.greenstone.org/wiki/About_Nightly_Crons#Setting_up_and_running_diffcol_on_the_Mac

2. For the gen-model-colls.sh script, see
http://internal.greenstone.org/wiki/About_Nightly_Crons#Automatically_adding_new_or_rebuilding_existing_model-collections