Refer the main PDF manual for description and usage: https://sourceforge.net/projects/lo-svn/files/Lo_SVN.pdf/download .
To install diffodt.bat on Microsoft Windows just copy/move it to some directory/folder that is in the system PATH
.
Also adjust the paths to the additional tools called from the diffodt.bat script:
set LIBREOFFICE_EXEC="C:\Program Files\LibreOffice\program\soffice.exe"
set DIFFPDF="c:\bin\diffpdf.exe"
(see lines 30-31 of diffodt.bat).
To install diffodt shell script on Linux, copy/move it to some directory/folder that is in the system PATH
.