diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6afd8fa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+tool_test_output.html
+tool_test_output.json
+.DS_Store
+.tox
+*.pyc
+.*.log
+.idea/*
+.git/*
+.Rhistory
+.RData
diff --git a/tools/Xlsxtotabular/test-data/dummy.tsv b/tools/Xlsxtotabular/test-data/dummy.tsv
new file mode 100644
index 0000000..52fd3e7
--- /dev/null
+++ b/tools/Xlsxtotabular/test-data/dummy.tsv
@@ -0,0 +1,43 @@
+"sample"	"nb_mutations"	"TMB"	"cohort"
+"PAMXZY"	2	"0.0606770343493"	"TARGET"
+"PAMYMA"	1	"0.0303385171746"	"TARGET"
+"PANVPB"	1	"0.0303385171746"	"TARGET"
+"PANZLR"	2	"0.0606770343493"	"TARGET"
+"PARBTV"	1	"0.0303385171746"	"TARGET"
+"PARHRS"	0	"0.0"	"TARGET"
+"PARLSL"	3	"0.0910155515239"	"TARGET"
+"PARNAW"	0	"0.0"	"TARGET"
+"PARXYR"	2	"0.0606770343493"	"TARGET"
+"PARZIA"	1	"0.0303385171746"	"TARGET"
+"PASDKZ"	1	"0.0303385171746"	"TARGET"
+"PASDXR"	1	"0.0303385171746"	"TARGET"
+"PASFHK"	2	"0.0606770343493"	"TARGET"
+"PASFJJ"	3	"0.0910155515239"	"TARGET"
+"PASFLG"	1	"0.0303385171746"	"TARGET"
+"PASIGA"	1	"0.0303385171746"	"TARGET"
+"PASLZE"	1	"0.0303385171746"	"TARGET"
+"PASNKZ"	1	"0.0303385171746"	"TARGET"
+"PASSLT"	0	"0.0"	"TARGET"
+"PASTZK"	6	"0.182031103048"	"TARGET"
+"PASVJS"	2	"0.0606770343493"	"TARGET"
+"PASYEJ"	1	"0.0303385171746"	"TARGET"
+"PASYWA"	3	"0.0910155515239"	"TARGET"
+"PATAIJ"	0	"0.0"	"TARGET"
+"PATHIU"	1	"0.0303385171746"	"TARGET"
+"PATISD"	1	"0.0303385171746"	"TARGET"
+"PATJMY"	1	"0.0303385171746"	"TARGET"
+"PATKBK"	3	"0.0910155515239"	"TARGET"
+"PATKKJ"	7	"0.212369620222"	"TARGET"
+"PATKWH"	2	"0.0606770343493"	"TARGET"
+"cBOURI"	549	"16.6558459289"	"CONECT"
+"c29007"	57	"1.72929547895"	"CONECT"
+"c21006"	152	"4.61145461054"	"CONECT"
+"c20017"	41	"1.24387920416"	"CONECT"
+"c17009"	140	"4.24739240445"	"CONECT"
+"c13026"	38	"1.15286365264"	"CONECT"
+"c13009"	87	"2.63945099419"	"CONECT"
+"c08006"	171	"5.18788643686"	"CONECT"
+"c05007"	80	"2.42708137397"	"CONECT"
+"c01044"	58	"1.75963399613"	"CONECT"
+"c01021"	357	"10.8308506313"	"CONECT"
+"c01002"	75	"2.2753887881"	"CONECT"
diff --git a/tools/Xlsxtotabular/test-data/dummy.xlsx b/tools/Xlsxtotabular/test-data/dummy.xlsx
new file mode 100644
index 0000000..0070384
Binary files /dev/null and b/tools/Xlsxtotabular/test-data/dummy.xlsx differ
diff --git a/tools/Xlsxtotabular/test-data/out.tabular b/tools/Xlsxtotabular/test-data/out.tabular
new file mode 100644
index 0000000..b377ad7
--- /dev/null
+++ b/tools/Xlsxtotabular/test-data/out.tabular
@@ -0,0 +1 @@
+"french museum"
diff --git a/tools/Xlsxtotabular/xls2tab.R b/tools/Xlsxtotabular/xls2tab.R
index cabe862..b964b4a 100644
--- a/tools/Xlsxtotabular/xls2tab.R
+++ b/tools/Xlsxtotabular/xls2tab.R
@@ -1,8 +1,9 @@
 #!/usr/bin/env Rscript
-#Read xls/xlsx sheets - return tabular
-library(readxl)
 
-args = commandArgs(trailingOnly=TRUE)
+# Read xls/xlsx sheets - return tabular
+
+library(readxl)
 
-sheet<-read_excel(args[1],sheet=args[2])
-write.table(sheet,"out.tabular",sep="\t",row.names=FALSE)
\ No newline at end of file
+args = commandArgs(trailingOnly = TRUE)
+sheet <- read_excel(args[1],sheet = args[2])
+write.table(sheet,"out.tabular", sep = "\t", row.names = FALSE)
diff --git a/tools/Xlsxtotabular/xls2tab.xml b/tools/Xlsxtotabular/xls2tab.xml
index ef78eb4..b1eaffb 100644
--- a/tools/Xlsxtotabular/xls2tab.xml
+++ b/tools/Xlsxtotabular/xls2tab.xml
@@ -1,7 +1,6 @@
-<tool id="xls2tab_R" name="XLS sheet to Tabular" version="0.1">
+<tool id="xls2tab_R" name="XLS sheet to Tabular" version="0.2">
     <requirements>
-        <requirement type="package" version="3.2.1">R</requirement>
-		<requirement type="package" version="1.1.0">r-readxl</requirement>
+		<requirement type="package" version="1.3.1">r-readxl</requirement>
     </requirements>
     <command detect_errors="exit_code"><![CDATA[
         Rscript '$__tool_directory__/xls2tab.R' '$input1' '$sheet' '$output' ]]>
@@ -24,6 +23,12 @@
             <param name="sheet" value="data"/>
             <output name="output" file="out.tabular"/>
         </test>
+        <test>
+            <param name="input1" value="dummy.xlsx"/>
+            <param name="sheet" value="Feuille 1"/>
+            <output name="output" file="dummy.tsv"/>
+        </test>
+
     </tests>
 
     <help>
@@ -45,8 +50,8 @@ Output tabular
 
 **Arguments**
 
-Input: xls/xlsx file.
-Excel sheet name: données in situ
+Input: xls/xlsx file. (xls not tested)
+Excel sheet name: 'données in situ' (for instance)