Re: command line arguments

["Frank Ch. Eigler" <fche@redhat.com>]

Hi -

> It would indeed be nice if $N could be dynamically be typed, especially
> since the other $target variables are, but I can see how this would be
> hard.

That's the heuristic I was talking about.  One problem is that several
places like probe point functors (.statement(), .function()) accept
*both* string or number literals.

> The @ is ok, but it doesn't really say "string" to me.  Perhaps a
> single-quote or backquote might be better - '1 or `1?

Or perhaps a backslash, as in regexps.

> Another option is to allow expansion of $N within string literals [...]
> # stap -e 'probe kernel.function("$1") { print($2) }' sys_open 4

But then normal dollar signs would have to be quoted.

- FChE