> Every other tar implementation I've looked at supports either both > dash-less argument, and arguments with dashes, or only dash-less > argument. sbase tar is the only tar that only supports arguments with a > dash, so to use tar as portably as possible, one has to not have a dash > with the argument, and sbase tar should be made to accept that style of > argument to fit with the more portable usage.
Yes, the more portable usage being the one specified buy the standard utility guidelines as it is specified and supported by every implementations.
