Iweisc

%!PS
% Write enumeration results to /tmp/gs-enum-output.txt
(/tmp/gs-enum-output.txt) (w) file
dup dup dup dup dup dup

% Enumerate /app/
(=== /app/ ===\n) writestring
(/app/*) {dup 3 index exch writestring (\n) 3 index exch writestring} 128 string filenameforall

% Enumerate /tmp/ for interesting files

Iweisc

test content