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Add documentation on optional `multiple="true"` data parameters.

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Thanks to detailed biostar question from @lindenb (sorry these parameters are so counter-intuitive - I don't have an excuse other than a need to preserve backward compatibility).

Rebased with indention requested by @nsoranzo and fixes for the test case tool.
This commit is contained in:
John Chilton
2016-10-10 10:51:36 -04:00
parent a08b849f6d
commit 91bfecea67
3 changed files with 55 additions and 0 deletions
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test/functional/tools/multi_data_optional.xml
+27
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<tool id="multi_data_optional" name="multi_data_optional" version="0.1.0">
<command>
touch $out1;
#for $input in $input1
#if $input
cat $input >> $out1;
#end if
#end for
</command>
<inputs>
<param name="input1" type="data" format="txt" multiple="true" label="Data 1" optional="true" />
</inputs>
<outputs>
<data format="txt" name="out1" />
</outputs>
<tests>
<test>
<param name="input1" value="simple_line.txt,simple_line_alternative.txt" />
<output name="out1">
<assert_contents>
<has_line line="This is a line of text." />
<has_line line="This is a different line of text." />
</assert_contents>
</output>
</test>
</tests>
</tool>