diff --git a/src/fasta_sampler.nf b/src/fasta_sampler.nf
new file mode 100644
index 0000000000000000000000000000000000000000..17348caabfba986d5b7e5e8de5631d7d2de31eba
--- /dev/null
+++ b/src/fasta_sampler.nf
@@ -0,0 +1,4 @@
+Channel
+  .fromPath( "data/tiny_dataset/fasta/*.fasta" )
+  .set { fasta_file }
+