reverted code change

Author: jeff-yc-wong

wfcommons/wfbench/translator/templates/cwl_templates/shell.cwl

@@ -6,12 +6,23 @@ requirements:
 stdout: $(inputs.step_name + ".out")
 stderr: $(inputs.step_name + ".err")
 
+arguments:
+  - position: 1
+    valueFrom: >
+      ${
+        var cmd = inputs.command;
+        if (inputs.input_files) {
+          for (var i = 0; i < inputs.input_files.length; i++) {
+            cmd = cmd.replace(new RegExp(inputs.input_files[i].basename, 'g'), inputs.input_files[i].path);
+          }
+        }
+        return cmd;
+      }
+    shellQuote: false
+
 inputs:
   command:
     type: string
-    inputBinding:
-      position: 1
-      shellQuote: false
   input_files:
     type: File[]?
   output_filenames: