--- a/imagej2_shadows.xml	Tue Sep 17 16:59:39 2019 -0400
+++ b/imagej2_shadows.xml	Mon Sep 28 16:51:33 2020 +0000
@@ -1,23 +1,34 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<tool id="imagej2_shadows" name="Add shadow effect" version="@WRAPPER_VERSION@.0">
+<tool id="imagej2_shadows" name="Add shadow effect" version="@WRAPPER_VERSION@.1">
     <description></description>
     <macros>
         <import>imagej2_macros.xml</import>
     </macros>
-    <expand macro="fiji_requirements" />
-    <command>
-<![CDATA[
-    python $__tool_directory__/imagej2_shadows.py
-    --input "$input"
-    --input_datatype $input.ext
-    --direction $direction
-    --jython_script $__tool_directory__/imagej2_shadows_jython_script.py
-    --output_datatype $output.ext
-    --output "$output"
-]]>
-    </command>
+    <expand macro="fiji_requirements"/>
+    <command detect_errors="exit_code"><![CDATA[
+#import os
+#set error_log = 'output_log.txt'
+touch '$error_log' &&
+#set input_sans_ext = $os.path.splitext($os.path.basename($input.file_name))[0]
+#set input_with_ext = '.'.join([input_sans_ext, $input.ext])
+ln -s '$input.file_name' '$input_with_ext' &&
+#set output_filename = '.'.join(['output', $input.ext])
+touch '$output_filename' &&
+ImageJ --ij2 --headless --debug
+--jython '$__tool_directory__/imagej2_shadows_jython_script.py'
+'$error_log'
+'$input_with_ext'
+'$direction'
+'$output_filename'
+'$input.ext'
+&>'$error_log';
+if [[ $? -ne 0 ]]; then
+    cat '$error_log' >&2;
+else
+    mv '$output_filename' '$output';
+fi
+]]></command>
     <inputs>
-        <param format="bmp,eps,gif,jpg,pcx,pgm,png,psd,tiff" name="input" type="data" label="Select image"/>
+        <expand macro="param_input"/>
         <param name="direction" type="select" label="Direction" help="Light will appear to come from the selected direction">
             <option value="East" selected="True">East</option>
             <option value="North">North</option>
@@ -30,13 +41,13 @@
         </param>
     </inputs>
     <outputs>
-        <data name="output" format_source="input" label="${tool.name} on ${on_string}: Light from ${direction}"/>
+        <data name="output" format_source="input"/>
     </outputs>
     <tests>
         <test>
-            <param name="input" value="blobs.gif" />
-            <param name="direction" value="Northwest" />
-            <output name="output" file="blobs_northwest.gif" compare="sim_size" />
+            <param name="input" value="blobs.gif"/>
+            <param name="direction" value="Northwest"/>
+            <output name="output" file="blobs_northwest.gif" compare="sim_size"/>
         </test>
     </tests>
     <help>
@@ -52,5 +63,5 @@
 ]]>
 
     </help>
-    <expand macro="fiji_headless_citations" />
+    <expand macro="fiji_headless_citations"/>
 </tool>