[rotifer]

I rarely use dd, but my most common use might be:

    blah | sudo dd of=/some/file

where:

    blah | sudo cat > /some/file

wouldn't work.

[Vecr]

    blah | sudo tee /some/file > /dev/null

would though. Both are probably fine.

[kelnos]

If 'blah' outputs binary data, then that would work, but would spew garbage to the terminal. Piping to 'dd' is probably more efficient regardless.

[Self-Perfection]

But this one would work:

blah | sudo sh -c 'cat > /some/file'