How beneficial a literature survey article would be if it's about gender gap?
Google seems to have gone out of its way to make the results on google scholar difficult to access with a program.
That said, there are many tools that automate some of what you are painfully doing by hand. The results can be imported into excel.
Search for scrape google scholar.
You would certainly need this kind of literature search to think about the extent of a gender gap in the indexed publications. Making sense of the data would be hard. What reliable method might you use to determine the genders of authors?