From 573acafafc61d91c43d021247e1d0961eded35c8 Mon Sep 17 00:00:00 2001
From: Eric Coissac <eric@coissac.eu>
Date: Thu, 27 Feb 2025 15:09:07 +0100
Subject: [PATCH] Patch bug on ecotag with too short sequences

---
 pkg/obioptions/version.go     | 2 +-
 pkg/obitools/obitag/obitag.go | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkg/obioptions/version.go b/pkg/obioptions/version.go
index 8751533..2ac8e39 100644
--- a/pkg/obioptions/version.go
+++ b/pkg/obioptions/version.go
@@ -8,7 +8,7 @@ import (
 // corresponds to the last commit, and not the one when the file will be
 // commited
 
-var _Commit = "791d253"
+var _Commit = "0067152"
 var _Version = "Release 4.2.0"
 
 // Version returns the version of the obitools package.
diff --git a/pkg/obitools/obitag/obitag.go b/pkg/obitools/obitag/obitag.go
index ea72003..ccb4888 100644
--- a/pkg/obitools/obitag/obitag.go
+++ b/pkg/obitools/obitag/obitag.go
@@ -73,6 +73,10 @@ func FindClosests(sequence *obiseq.BioSequence,
 	refcounts []*obikmer.Table4mer,
 	runExact bool) (obiseq.BioSequenceSlice, int, float64, string, []int) {
 
+	if sequence.Len() < 5 {
+		return obiseq.BioSequenceSlice{}, 1000, 0, "NA", []int{}
+	}
+
 	var matrix []uint64
 
 	seqwords := obikmer.Count4Mer(sequence, nil, nil)