Re: command for swapping of two files or two dirs?

[Alex fxmbsw7 Ratchev]

swap_maybe_safer() { declare t=
 while [[ -e ${t:=.$SRANDOM$SRANDOM}.} ]] &&  t= ; do :; done

cp -p "$1" "$t"
mv "$2" "$1"
mv "$t" "$2"
}

On Fri, Mar 26, 2021 at 6:11 PM Peng Yu <pengyu.ut@gmail.com> wrote:
>
> Hi,
>
> I can use mv to program a swap bash script. Or use renameat2(...,
> RENAME_EXCHANGE) on Linux and renameatx_np(..., RENAME_SWAP) on Darwin
> to make a swap C program.
>
> But since this should be a commonly used function, is there already an
> existing well-maintained command for this purpose?
>
> --
> Regards,
> Peng
>