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On-line help info for mlr join --lk "" (#1458)
* Doc info for `mlr join --lk ""` * make dev output
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@ -467,6 +467,8 @@ Options:
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--lk|--left-keep-field-names {a,b,c} If supplied, this means keep only the specified field
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names from the left file. Automatically includes the join-field name(s). Helpful
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for when you only want a limited subset of information from the left file.
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Tip: you can use --lk "": this means the left file becomes solely a row-selector
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for the input files.
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--lp {text} Additional prefix for non-join output field names from
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the left file
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--rp {text} Additional prefix for non-join output field names from
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