windows - cURL POST multiple files with different names (emulate wildcard) -

this little on head, please specific in responses.

i have performed https form post using curl. here code, simplified:

curl.exe -e cert.pem -k -f file=@"c:\dir\test.txt" "https://www.example.com/ul_file_curl.ashx" 

here's problem: need make code upload 2 files each day, , names change every day based on several variables, date , time of creation.

what want replace test.txt *.txt, curl doesn't seem support wildcards, how can accomplish this? in advance.

edit: done in windows environment.