On 02/27/2012 05:09 PM, Pádraig Brady wrote: > how > to handle existing regular files with conv=trunc. > I.E. seeking over existing possible non NUL data. > It's too dangerous/inconsistent to do this for files I think.
Why? This is *dd* we're talking about here. It's *supposed* to be used for tricky stuff like this. If one interprets conv=sparse to mean "write sparsely", rather than "create a sparse file that exactly mimics the input's sparseness", then everything should be clear, no?
