I know that the GitHub web interface lets you search all repositories for files with a particular pathname (e.g. searching for path:/app/models/user.rb yields >109k results), but is there a way to search all repositories for filenames independent of their subdirectory location? I tried using asterisks in the path argument, and that didn't seem to work.
In search input, you can use filename parameter to search in multiple repositories, for example:
filename:my_filename.txt
If you're looking for a filename in specific repository, you can just press t and start typing the file name (see: GH keyboard shortcuts).
GitHub introduced FileFinder in 2011.
Try it out: just hit t on any repo's file or directory view.[1]
So, You're still restricted to repository.
[1]https://github.com/blog/793-introducing-the-file-finder
Another approach to Your question:
Can I use Git to search for matching filenames in a repository?
You can try Google. Google for filename.txt site:github.com.
In my case, I wanted to search for a particular file name, in all of my organization's repositories. This can be done by entering this in the search box:
org:your-organization-user-name filename:the-file-name
Of course, just do "filename:the-file-name" if you want to search the whole of GitHub.
I didn't see this in https://help.github.com/articles/searching-code/ but found out when I switched context, and GitHub entered the filter for me automaticallly.
I refined @andy-lester answer with intitle:, i.e. I want to find where's located the file simple_spinner_item.xml in Android's source code hosted on github, so I search on Google this string:
site:github.com intitle:simple_spinner_item.xml github.com/android
^ ^ ^
| | |
on github site | |
| |
filename I'm searching -+ |
|
github user ------------------------------------+
Just press "t" and It will let you search for a file.
来源：https://stackoverflow.com/questions/18991908/is-it-possible-to-search-for-a-particular-filename-on-github