diff --git a/README.md b/README.md
index 94a4f7e70c54bc99e3eb1059d575e5661e154584..b2a4a386d74f53cca01ffbedae91bba08ce2b13c 100644
--- a/README.md
+++ b/README.md
@@ -30,12 +30,8 @@ ln -s /projet/maiage/save/cmidoux/DIGESTOMIC/DATA/DIGESTOMIC_J80_B_26_11_15_S2_a
 ### Submit analysis
 
 ```bash
-awk 'NR<=2000000' work/FGS/coassembly_FGS.faa > work/FGS/coassembly_FGS-1.faa 
-awk 'NR>=2000001&&NR<=4000000' work/FGS/coassembly_FGS.faa > work/FGS/coassembly_FGS-2.faa 
-awk 'NR>=4000001&&NR<=6000000' work/FGS/coassembly_FGS.faa > work/FGS/coassembly_FGS-3.faa 
-awk 'NR>=6000001&&NR<=8000000' work/FGS/coassembly_FGS.faa > work/FGS/coassembly_FGS-4.faa 
-awk 'NR>=8000001&&NR<=10000000' work/FGS/coassembly_FGS.faa > work/FGS/coassembly_FGS-5.faa 
-awk 'NR>=10000001' work/FGS/coassembly_FGS.faa  > work/FGS/coassembly_FGS-6.faa 
+conda activate seqkit-0.10.1
+seqkit split2 --by-size 1000000 --out-dir work/FGS/split work/FGS/coassembly_FGS.faa  
 ```
 
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