Re: Bug#467378: coreutils: Please include a program to truncate files

[Paul Eggert]

Jim Meyering <address@hidden> writes:

> If you don't mind truncating first, how about this?
>
>     true > /var/spool/whatever/foo
>     dd bs=1 seek=2G of=/var/spool/whatever/foo < /dev/null

Also, the latter command works even if the former command is omitted.
That is, by itself, that invocation of dd resizes
/var/spool/whatever/foo to 2 GiB, discarding or extending the file as
needed, which is what the original request asked for.