Aai wrote:
> 9!:12''
>5
>5 <=> Linux
Ah... just "5 <= Linux", please. It's a generic marker for
all Unix systems. (That's why I selected the expression as
the image-detesting logo for the juggle.gaertner.de pages.)
It's easy to make non-portable J programs. (That's why I nitpick.)
I regularly (and mostly) use J on FreeBSD, NetBSD, OpenBSD, Solaris,
and OS X besides Linux, all "5". Don't jump to wrong conclusions
what is or is not possible with 2!:0 or available on the disk when
you get a 5 from 9!:12.
Something related that has been bugging me for years is that
the output format of 9!:14 is essentially undefined. Features
and bugs come and go with one version, sometimes one needs to
check for those. The 'a/b/c' format is well-known but there
are few guarantees. (I have already shot into my own foot
because I was assuming too much about "a" alone at one or two
points in the past.)
Martin
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