--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fastashuffle1.xml	Sat Mar 10 07:59:27 2012 -0500
@@ -0,0 +1,17 @@
+<tool id="seqshuffle" name="shuffle sequences">
+  <description>preserving mono-nucleotide frequency</description>
+  <command>cat $input | fasta-shuffle-letters > $output  </command>
+  <inputs>
+     <param name="input" type="data" format="fasta" label="Original FASTA sequence file"/>
+  </inputs>
+  <outputs>
+    <data format="fasta" name="output" />
+  </outputs>
+  <help>
+
+**Description**
+
+shuffle the position of nucleotides in each sequence, preserving the frequency of nucleotides in that sequence, but do not preserve di-nucleotide frequency. 
+
+  </help>
+</tool>