[TUHS] /usr/games/factor

[TUHS] /usr/games/factor

[Dave Horsfall]

I recall playing with this on the -11, but it seems to have become extinct 
(the program, I mean).  I seem to recall that it was written in PDP-11 
assembly; did it ever get rewritten in C?

-- 
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer"
   "The complexity for minimum component costs has increased at a rate of
roughly a factor of two per year." -- G.Moore, Electronics, Vol 38 No 8, 1965

[TUHS] /usr/games/factor

[Jeremy C. Reed]

> I recall playing with this on the -11, but it seems to have become extinct 
> (the program, I mean).  I seem to recall that it was written in PDP-11 
> assembly; did it ever get rewritten in C?

Looks like rewritten at least twice (1983 and 1990):
http://svnweb.freebsd.org/csrg/games/factor/

Also a maintained version
http://cvsweb.netbsd.org/bsdweb.cgi/src/games/factor/

[TUHS] /usr/games/factor

[Greg 'groggy' Lehey]

On Wednesday, 22 July 2015 at 13:04:03 +1000, Dave Horsfall wrote:
> I recall playing with this on the -11, but it seems to have become extinct
> (the program, I mean).  I seem to recall that it was written in PDP-11
> assembly; did it ever get rewritten in C?

It's part of the base system in FreeBSD.

Greg
--
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[TUHS] /usr/games/factor

[Dave Horsfall]

Arrggh...  Out of four boxes within reach, I had to pick the wrong one :-( 
Sorry for the noise; I need more sleep.

-- 
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer"
   "The complexity for minimum component costs has increased at a rate of
roughly a factor of two per year." -- G.Moore, Electronics, Vol 38 No 8, 1965

[TUHS] /usr/games/factor

[Erik E. Fair]

And NetBSD.

	Erik <fair at clock.org>

[TUHS] /usr/games/factor

[Derrik Walker v2.0]

On 07/21/2015 11:04 PM, Dave Horsfall wrote:
> I recall playing with this on the -11, but it seems to have become extinct
> (the program, I mean).  I seem to recall that it was written in PDP-11
> assembly; did it ever get rewritten in C?
>
On my Fedora 22 system:

# rpm -qf /usr/bin/factor
coreutils-8.23-10.fc22.x86_64

Cant speculate on non-redhat systems, but it should be in coreutils on 
all Redhat based systems.

-- 
-- Derrik

Derrik Walker v2.0, RHCE
dwalker at doomd.net

"Those UNIX guys, they think weird!" -- John C. Dvorak

[TUHS] /usr/games/factor

[Peter Jeremy]

On 2015-Jul-22 21:05:10 -0400, "Derrik Walker v2.0" <dwalker at doomd.net> wrote:
>Cant speculate on non-redhat systems, but it should be in coreutils on 
>all Redhat based systems.

Given the license on coreutils, that is hopefully a clean-room rewrite
of the original factor, rather than a copy of it.

-- 
Peter Jeremy
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