• For the first part you will want to look at the object [makefilename] to

build the variable name. To create the the list "open [filename]" you would want to run the output of [makefilename] to a msg box using the command "set print $1" this will output the list "open [filename]":

#N canvas 0 0 680 460 10; #X obj 218 141 makefilename /tmp/output%d.wav; #X floatatom 218 122 5 0 0 0 - - -; #X msg 218 164 set open $1; #X msg 218 188 print /tmp/output13.wav; #X connect 0 0 2 0; #X connect 1 0 0 0; #X connect 2 0 3 0;

• to seperate your list (if you know ahead of time what the sequence is

going to be) use [unpack]. If you dont know it becomes much more difficult

• there is no native 'parsing' of symbols in pd. I believe someone wrote a

regex module for the py/pyext external, but I haven't used it yet.

m.

-----Original Message----- From: David Merrill To: pd-list@iem.kug.ac.at Sent: 6/10/2003 3:03 PM Subject: [PD] message-creation and parsing questions

• how can I build up a message from parts? for instance, the [writesf~]

object responds to an "open" message with a single argument, like: "open /tmp/output1.wav" but I want to be able to iterate, and supply "output2.wav", "output3.wav" etc..

• how can I parse a line of text such as: "output1.wav 440 500 1500"

that I get from a [textfile] [bang] into its constituent parts (preserving the appropriate types)?

• (related to the above) is parsing a string different from parsing a

list?