/usr/lib/pd/extra/mapping/reverse.pd is in pd-mapping 0.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | #N canvas 360 364 385 311 10;
#X obj 70 32 inlet;
#X obj 84 249 outlet;
#X text 140 249 output range: 0 to 1;
#X text 118 32 input range: 0 to 1;
#X obj 84 142 -;
#X msg 70 122 1;
#X obj 70 103 t b f;
#X connect 0 0 6 0;
#X connect 4 0 1 0;
#X connect 5 0 4 0;
#X connect 6 0 5 0;
#X connect 6 1 4 1;
|