diff --git a/02_demultiplex/test/02_flexbar/.gitkeep b/02_demultiplex/test/02_flexbar/.gitkeep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/02_demultiplex/test/test_demultiplex_flexbar.sh b/02_demultiplex/test/test_demultiplex_flexbar.sh
new file mode 100644
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+++ b/02_demultiplex/test/test_demultiplex_flexbar.sh
@@ -0,0 +1,13 @@
+source 98_infos/config.sh
+flexbar=${SINGULARITY_EXEC_CMD}" "${EDNATOOLS_SIMG}" flexbar"
+
+## Prefix for all generated files
+
+pref="grinder_teleo1"
+## Path to the directory containing forward and reverse reads
+R1_fastq="${DATA_PATH}"/"$pref"/"$pref"_R1.fastq
+R2_fastq="${DATA_PATH}"/"$pref"/"$pref"_R2.fastq
+## path to 'tags.fasta'
+Tags=`pwd`"/02_demultiplex/Tags.fasta"
+
+$flexbar -r $R1_fastq -p $R2_fastq --barcodes $Tags --barcodes2 $Tags -bt 0 -t 02_demultiplex/test/02_flexbar/flex