This is an example of using MODIS resample tools: mosaic, resample
Try the following links to download the MODIS MOD09GA .hdf files .
https://drive.google.com/open?id=1rYV41AEBJd1yEe7nYHuAbL5HYzPzrYP9 .
https://drive.google.com/open?id=1PkSA3lDM9ALcTA4zB1UJXdNCc4TzJ-zb .
https://drive.google.com/open?id=1mSJcBWXrbatOkoBNdzweFQTcwQ-j2u0Y .
The processing.sh file should be put in the same directory with the MODIS hdf files.