roary Error

[meriem]

hello, i'm trying to extract my pangenome and corgenome of my strains, i used roary and bdpt but i keep getting the same error message in both softwares i use this command : ./roary ./Users/ab/Desktop/bacillussafensisanalysis/gff/*.gff
and get the following error:
< Error: You need to provide at least 2 files to build a pan genome >

i have mor than 4 gff file in my folder .. and i can't understand why they are not detectable.



can anyone help me