Add a stdin support for cat.blarb #10
Description
It should support catting stdin when no args are specified, and when the "-" arg is passed.
It should also consider "-" as a file when preceeded by "--", as per the cat standard.
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It should support catting stdin when no args are specified, and when the "-" arg is passed.
It should also consider "-" as a file when preceeded by "--", as per the cat standard.