diff tools/filters/randomlines.xml @ 0:9071e359b9a3

Uploaded
author xuebing
date Fri, 09 Mar 2012 19:37:19 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/filters/randomlines.xml	Fri Mar 09 19:37:19 2012 -0500
@@ -0,0 +1,42 @@
+<tool id="random_lines1" name="Select random lines">
+  <description>from a file</description>
+  <command interpreter="python">randomlines.py $input $num_lines $out_file1</command>
+  <inputs>
+    <param name="num_lines" size="5" type="integer" value="1" label="Randomly select" help="lines"/>
+    <param format="txt" name="input" type="data" label="from"/>
+  </inputs>
+  <outputs>
+    <data format="input" name="out_file1" metadata_source="input"/>
+  </outputs>
+  <tests>
+    <test>
+      <param name="num_lines" value="65"/>
+      <param name="input" value="1.bed"/>
+      <output name="out_file1" file="1.bed"/>
+    </test>
+  </tests>
+  <help>
+
+**What it does**
+
+This tool selects N random lines from a file, with no repeats, and preserving ordering.
+
+-----
+
+**Example**
+
+Input File::
+
+    chr7  56632  56652   D17003_CTCF_R6  310  +
+    chr7  56736  56756   D17003_CTCF_R7  354  +
+    chr7  56761  56781   D17003_CTCF_R4  220  +
+    chr7  56772  56792   D17003_CTCF_R7  372  +
+    chr7  56775  56795   D17003_CTCF_R4  207  +
+
+Selecting 2 random lines might return this::
+
+    chr7  56736  56756   D17003_CTCF_R7  354  +
+    chr7  56775  56795   D17003_CTCF_R4  207  +
+
+    </help>
+</tool>