/usr/share/puredata/doc/6.externs/test-obj2.pd is in puredata-doc 0.45.4-1.
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 | #N canvas 62 333 310 157 12;
#X msg 109 51 rats;
#X msg 157 52 7;
#X msg 68 52 4;
#X obj 68 90 obj2;
#X connect 0 0 3 0;
#X connect 1 0 3 1;
#X connect 2 0 3 0;
|