Tool to append a path to each URL from stdin. Useful for quick enumeration.
Using go:
go install github.com/ayushkr12/pathslapper@latest$ cat urls.txt
https://example.com
https://test.io/
$ cat urls.txt | pathslapper "/admin"
https://example.com/admin
https://test.io/admin
$ cat paths.txt
/api/v1/admin
/test/db
$ cat paths.txt | pathslapper "https://example.org"
https://example.org/api/v1/admin
https://example.org/test/db