/bin/ls vs .dotted files

Jan Lentfer Jan.Lentfer at web.de
Fri Sep 14 02:34:53 PDT 2012


On Fri, 14 Sep 2012 08:21:29 +0400, Andrey N. Oktyabrski wrote:
[..]
> There is one more solution which I have seen in Solaris. Many
> commands are environment-sensitive.
>
> For example, we can have the CMD_BEHAVIOR environment variable, which
> can have values "POSIX" (or "POSIX:1812.321"), "BSD", "LINUX",
> "SOLARIS", ...
> So we can use these conditions:
> if $CMD_BEHAVIOR is unset or $CMD_BEHAVIOR == "" then 
> CMD_BEHAVIOR=POSIX
> if $CMD_BEHAVIOR == POSIX then f_listdot = 0
> if $CMD_BEHAVIOR == BSD and UID == 0 then f_listdot = 1
>
> In this case I can change a command behavior in my shell scripts, and
> my scripts can be OS-independent.

How would that be OS-independent if only implemented on Solaris and its 
derivatives? ;) That's like saying JAVA is a highly portable language :P

Cheers,

Jan

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