Example of MatLab code that can read XGMML (.gr.gz) extension file?

I have a file in XGMML format (USA-road-d.BAY.gr.gz). But, I do not know how to make MatLab can read such an extension file. I want to know if anyone has any MatLab code, just for example, that can read the same extension file or is it possible Matlab can recognize it? big thanks

Answer 1

[Mohammad Sami]

This file appears to be a text file which gzip compressed.

You can extract the file with function gunzip and then perhaps load it with readtable.

a = gunzip('USA-road-d.BAY.gr.gz');
t = readtable(a{1},'FileType','text','NumHeaderLines',7);