The Google Sheets CSV tool is an utility to import and export data to and from Google Sheets using the CSV format.
Examples:
$ gsheetcsv dump --range A1:L100 --sheet [sheet-id]
...
$ gsheetcsv update -range A1 --sheet [sheet-id] < values.csv
go build -ldflags "-X main.oAuth2ClientID=[client-id] -X main.oAuth2ClientSecret=[client-secret]"
Substitute [client-id] and [client-secret] with the credentials prepared on the Google Project you created for this application.