batch file commandline puredata example

batch.pd

#N canvas 378 163 705 465 12;
#X obj 99 19 osc~ 440;
#X obj 99 319 writesf~;
#X obj 252 6 loadbang;
#X msg 123 105 open ./osc440.wav \, start;
#X msg 123 59 \; pd dsp 1 \;;
#X msg 252 266 stop;
#X obj 252 156 del 20000;
#X msg 308 256 \; pd quit \;;
#X text 292 201 <-- disconnect here in 3...2...1...;
#X connect 0 0 1 0;
#X connect 2 0 3 0;
#X connect 2 0 4 0;
#X connect 2 0 6 0;
#X connect 3 0 1 0;
#X connect 5 0 1 0;
#X connect 6 0 5 0;
#X connect 6 0 7 0;

batch.sh

#!/bin/bash
# if you want to study the patch be quick and delete the connection to the "pd quit;" message or it will quit pd after 20 sec...
pd -batch batch.pd