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John Chilton
1c5691964e
Was already parsing optional attribute but I put exactly zero thought into the implementation so these didn't work at all I don't think. This fills out the implementation, adds a test tool, and some cheetah helpers to facilitate this: "#if $collect_param" will fail if input not supplied or collection is empty and "#if $collect_param.is_input_supplied" will fail is input not supplied (i.e. empty collections will pass this check).
39 lines
1.0 KiB
XML
39 lines
1.0 KiB
XML
<tool id="collection_optional_param" name="collection_optional_param" version="0.1.0">
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<command>
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#if $f1
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cat $f1.forward $f1['reverse'] >> $out1;
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#else
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echo "No input specified." >> $out1;
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#end if
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</command>
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<inputs>
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<param name="f1" type="data_collection" collection_type="paired" optional="true" />
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</inputs>
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<outputs>
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<data format="txt" name="out1" />
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</outputs>
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<tests>
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<test>
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<param name="f1">
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<collection type="paired">
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<element name="forward" value="simple_line.txt" />
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<element name="reverse" value="simple_line_alternative.txt" />
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</collection>
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</param>
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<output name="out1">
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<assert_contents>
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<has_line line="This is a line of text." />
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<has_line line="This is a different line of text." />
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</assert_contents>
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</output>
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</test>
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<test>
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<output name="out1">
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<assert_contents>
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<has_line line="No input specified." />
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</assert_contents>
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</output>
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</test>
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</tests>
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</tool>
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