Quick tip on using gdrive to upload to Google Drive:
gdrive upload <path-to-local-file>
gdrive upload mydir/myfile.txt
This uploads the file to the home directory on Google Drive which is My Drive
To upload to a specific directory, do the following:
List the directories on Google Drive showing directory ids:
Obtain the directory id for the directory you wish to upload to.
gdrive upload --parent <id> mydir/myfile.txt
to upload the file to the directory in question
You can also search for specific folder in Google Drive by doing:
gdrive list -q "name contains 'BigData'"