Re: [PATCH] tee: Add -q, --quiet option to not write to stdout

[Bernhard Voelker]

On 1/21/21 4:48 PM, Alejandro Colomar (man-pages) wrote:
> - cat, as Padraig pointer out doesn't have an option to append.
> - dd doesn't either (AFAIK).

yes, it has:

  dd oflag=append conv=notrunc of=SOMEFILE

> - dd is quite dangerous, and I would avoid it for simple tasks.

well, every tool which can overwrite something could be considered
dangerous then, right? ;-)

> - I read on stackexchange (I couldn't find the thread now)
>    that the dd performance was lower, but I don't remember well.

well, maybe you'd want to play with a larger blocksize?
  dd ... bs=1m iflag=fullblock

Have a nice day,
Berny