/usr/lib/pd/extra/fftease/scrape~-help.pd is in pd-fftease 2.5.2.git20121005-2.
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 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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | #N canvas 153 350 531 534 10;
#N canvas 0 22 462 312 scrape-block 0;
#X obj 134 142 scrape~ 1000 4000 0.001 0.05 0.1 4 1;
#X obj 126 237 block~ 256;
#X obj 134 188 outlet~;
#X obj 134 74 inlet~;
#X obj 198 84 inlet;
#X obj 239 84 inlet;
#X obj 282 84 inlet;
#X obj 324 85 inlet;
#X obj 366 85 inlet;
#X obj 421 94 inlet;
#X connect 0 0 2 0;
#X connect 3 0 0 0;
#X connect 4 0 0 1;
#X connect 5 0 0 2;
#X connect 6 0 0 3;
#X connect 7 0 0 4;
#X connect 8 0 0 5;
#X connect 9 0 0 0;
#X restore 61 203 pd scrape-block;
#N canvas 0 22 470 320 messages 0;
#X obj 200 244 outlet;
#X obj 200 212 fftease-system;
#X connect 1 0 0 0;
#X restore 161 182 pd messages;
#N canvas 0 22 470 320 playsound 0;
#X obj 31 194 soundfiler;
#X obj 31 160 openpanel;
#N canvas 0 22 450 300 graph1 0;
#X array scrape-sound1 4e+06 float 2;
#X coords 0 1 4e+06 -1 200 140 1;
#X restore 237 13 graph;
#X msg 31 131 bang;
#X obj 227 284 outlet~;
#X msg 227 244 bang;
#X obj 348 228 spigot;
#X obj 385 205 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1
1;
#X text 133 244 then play it;
#X text 304 190 loop if you like;
#X text 63 132 open the sound;
#X msg 31 177 read -resize \$1 scrape-sound1;
#X obj 227 268 tabplay~ scrape-sound1;
#X connect 1 0 11 0;
#X connect 3 0 1 0;
#X connect 5 0 12 0;
#X connect 6 0 5 0;
#X connect 7 0 6 1;
#X connect 11 0 0 0;
#X connect 12 0 4 0;
#X connect 12 1 6 0;
#X restore 61 22 pd playsound;
#X floatatom 77 53 5 0 0 1 knee - -;
#X floatatom 94 75 5 0 0 1 cutoff - -;
#X floatatom 111 97 5 0 0 1 threshold1 - -;
#X floatatom 127 115 5 0 0 1 threshold2 - -;
#X floatatom 144 135 5 0 0 1 weak_bin_multiplier - -;
#X obj 61 240 dac~;
#X msg 223 235 \; pd dsp \$1;
#X obj 223 215 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0
1;
#X msg 287 14 1000 4000 0.001 0.05 0.1;
#X obj 287 37 unpack f f f f f;
#X obj 287 -7 loadbang;
#X text 54 284 scrape~ is like drown~ except that it only operates
between the frequencies specified by knee and cutoff to the Nyquist.
Between knee and cutoff is a transition range to gradually increase
the noise reduction. This is good if you just want to scrape some noise
off the upper frequency range without affecting lower parts of the
spectrum (much).;
#X connect 0 0 8 0;
#X connect 0 0 8 1;
#X connect 1 0 0 6;
#X connect 2 0 0 0;
#X connect 3 0 0 1;
#X connect 4 0 0 2;
#X connect 5 0 0 3;
#X connect 6 0 0 4;
#X connect 7 0 0 5;
#X connect 10 0 9 0;
#X connect 11 0 12 0;
#X connect 12 0 3 0;
#X connect 12 1 4 0;
#X connect 12 2 5 0;
#X connect 12 3 6 0;
#X connect 12 4 7 0;
#X connect 13 0 11 0;
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