/usr/share/puredata/doc/2.control.examples/03.connections.pd is in puredata-doc 0.46.7-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #N canvas 185 28 660 552 12;
#X floatatom 76 400 0 0 0 0 - - -;
#X floatatom 189 401 0 0 0 0 - - -;
#X floatatom 76 307 0 0 0 0 - - -;
#X floatatom 553 161 0 0 0 0 - - -;
#X floatatom 599 162 0 0 0 0 - - -;
#X obj 553 135 +;
#X floatatom 553 105 0 0 0 0 - - -;
#X obj 599 136 +;
#X floatatom 26 109 0 0 0 0 - - -;
#X floatatom 26 17 0 0 0 0 - - -;
#X floatatom 48 41 0 0 0 0 - - -;
#X obj 26 85 +;
#X text 3 64 hot;
#X text 53 66 cold;
#X text 232 105 Here's the downside: drag this--->;
#X text 551 180 good;
#X text 600 181 bad;
#X obj 76 376 *;
#X obj 189 377 -;
#X text 15 400 square;
#X text 229 402 first difference;
#X obj 76 330 trigger float float;
#X text 412 526 updated for Pd version 0.33;
#X text 19 433 Trigger takes any number of "bang" and "float" arguments
(among others) and copies its input to its outlets \, in the requested
forms \, in right-to-left order. Hook it to two inputs without crossing
the wires and you get the expected result. Cross the wires and you
get a memory effect.;
#X text 9 136 In Pd you must sometimes think about what order an object
is going to get its messages in. If an outlet is connected to more
than one inlet it's undefined which inlet will get the cookie first.
I've rigged this example so that the left-hand side box gets its inputs
in the good \, right-to-left order \, so that the hot inlet gets hit
when all the data are good. The "bad adder" happens to receive its
inputs in the wrong order and is perpetually doing its addition before
all the data are in. There's an object that exists solely to allow
you to control message order explicitly:;
#X text 114 16 In Pd \, most objects carry out their functions when
they get messages in their leftmost inlets \, and their other inlets
are for storing values that can modify the next action. Here \, the
"+" object does its thing only when the left-hand input changes.;
#X connect 2 0 21 0;
#X connect 5 0 3 0;
#X connect 6 0 7 0;
#X connect 6 0 7 1;
#X connect 6 0 5 1;
#X connect 6 0 5 0;
#X connect 7 0 4 0;
#X connect 9 0 11 0;
#X connect 10 0 11 1;
#X connect 11 0 8 0;
#X connect 17 0 0 0;
#X connect 18 0 1 0;
#X connect 21 0 17 0;
#X connect 21 0 18 1;
#X connect 21 1 17 1;
#X connect 21 1 18 0;
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