On Oct 28, 2006, at 3:57 AM, Frank Barknecht wrote:
Hallo,
Hans-Christoph Steiner hat gesagt: // Hans-Christoph Steiner wrote:
A student just discovered this strange behavior. Basically, if you
get something that generates a symbolic atom that has numeric data in
it, you can then create a mystery type by feeding that thru [list
trim]. Don't know exactly where the problem is, but something fishy
is going on.
What "list trim" does on a "symbol X" is generate a meta message
consisting only of the selector "X". But here this selector is
numeric. Numeric selectors are illegal, because selectors have to be a
symbol. It could be considered a bug in the patch trying to generate
such illegal meta-messages. Removing the [list trim] will fix the
patch as will adding a [list] after [list trim].
My guess is that [list trim] should output a float.
To me it is a bug in the patch rather than in [list trim]. In my
understanding [list trim] is designed to remove the "list"-selector
and through that the other two standard Pd selectors, "float" and
"symbol" as well, but it was not designed to add them or to convert
from "symbol ..." to "float ...". For that, [list] itself should be
used.
Yes, this is a strange thing to do, but I am just illustrating a
point. This problem came to my attention because of a real world
problem where OSC from Flash is being received from Pd fine, but its
generating this format of data, and it is therefore useless (without
[atoi], which works correctly here, IMHO).
If this is a totally useless and illegal value, then nothing should
ever generate it. By definition, anything that can be interrupted as
a number, should be a float. The Pd manual 2.1.2 says "Anything that
is not a valid number is considered a symbol" ("symbol" here meaning
symbolic atom, not symbol message). That means that the converse
should be true too: "anything that is a valid number should be
considered a float".
Therefore any atom containing "1234" should always be a float.
.hc
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