Re: sed _s_gnu_alternatives_ (Re: [rft] (g)awk substitution)

Tim Schmielau
2007-01-27T00:18:33Z

On Fri, 26 Jan 2007, Oleg Verych wrote:

> In Debian's version it has no `bc', while native `bc' is producing
> crap like that:
> ,-*- bash -*-
> |olecom@flower:~$ printf "%u" $(( -1 )) ; echo
> |18446744073709551615
> |olecom@flower:~$ echo -1 | bc
> |-1
> |olecom@flower:~$ printf "%u" $(( 0xFF )) ; echo
> |255
> |olecom@flower:~$ echo FF | bc
> |99
> |olecom@flower:~$ echo F | bc
> |15
> |olecom@flower:~$
> `-*-
>
> i can't understand the result... I think linux/scripts/makelst may be
> updated to have sh's version of address calculation ;)

No, IMHO that should not be a reason to change anything in the kernel.
Just set ibase=16 or read the fine manual:
info '(bc)About Expressions and Special Variables'

Tim