--- a/chartskit.xml	Mon Apr 07 19:23:58 2014 -0400
+++ b/chartskit.xml	Mon Apr 07 19:24:08 2014 -0400
@@ -5,12 +5,13 @@
         <requirement type="set_environment">SCRIPT_PATH</requirement>
         <requirement type="package" version="2.15.0">R</requirement>
     </requirements>
-    <command>Rscript \$SCRIPT_PATH/chartskit.r -m \$SCRIPT_PATH/${module}.r -i ${input} -c '${columns}' -s '${settings}' -o ${output}
+    <command>Rscript \$SCRIPT_PATH/chartskit.r -w \$SCRIPT_PATH/ -m ${module} -i ${input} -c '${columns}' -s '${settings}' -o ${output}
     </command>
     <inputs>
         <param name="input" type="data" label="Input dataset" format="tabular" />
         <param name="module" type="select" label="R-script">
             <option value="histogram">Histogram</option>
+            <option value="boxplot">Box plot</option>
         </param>
         <param name="columns" type="text" label="Columns string (i.e key1: column, key2: column)" value="column: 2"/>
         <param name="settings" type="text" label="Options string (i.e data_limit: 1000)" value=""/>