foo@bar:~$ ls -l test*
-rwxrwxr-x 1 matt matt   8552 Mar  5 16:05 test
-rw-rw-r-- 1 matt matt    161 Mar  5 08:35 test.asm
-rw-rw-r-- 1 matt matt      0 Feb 15 12:56 test.benul
-rw-rw-r-- 1 matt matt    743 Mar  5 16:05 test.c
-rw-rw-r-- 1 matt matt     70 Mar  4 20:27 test.cs
-rw-rw-r-- 1 matt matt     15 Jan  2 09:37 test.kim
-rw-rw-r-- 1 matt matt      0 Mar  3 07:59 test.m
-rw-rw-r-- 1 matt matt    832 Mar  4 20:45 test.o
-rwxrwxr-x 1 matt matt   3072 Jan 23 13:58 test_out
-rw-rw-rw- 1 matt matt   1662 Jan 23 11:25 test.png

foo@bar:~$ ls -l prog*
-rw-rw-r-- 1 matt matt  557 Feb 16 10:37 prog.c
-rwxrwxr-x 1 matt matt 9436 Jan  1 19:14 prog.exe
-rw-rw-rw- 1 matt matt  206 Nov 28 08:19 prog.gz
-rw-rw-rw- 1 matt matt 1059 Jan 23 15:00 prog.m
-rw-rw-r-- 1 matt matt  144 Feb 10 08:25 prog.mid
-rw-rw-r-- 1 matt matt    6 Feb 18 14:48 prog.txt

foo@bar:~$ ls -l B-files
total 524624
-rw-rw-r-- 1 matt matt        0 Nov 12 07:54 a_current.txt
-rw-rw-rw- 1 matt matt  1682826 Aug  8  2015 b001036.txt
-rw-rw-rw- 1 matt matt   135980 Aug  9  2015 b001569.txt
-rw-rw-rw- 1 matt matt   105170 Sep 10 07:24 b002659.txt
-rw-rw-rw- 1 matt matt   104755 Aug 13  2015 b004095.txt
-rw-rw-rw- 1 matt matt    88883 Aug 21  2015 b004223.txt
-rw-rw-rw- 1 matt matt   465142 Aug 19  2015 b004352.txt
-rw-rw-rw- 1 matt matt    68893 Aug  5  2015 b004572.txt
-rw-rw-rw- 1 matt matt   123872 Aug  8  2015 b004857.txt

foo@bar:~$ maybe maybe rm test.txt
Error executing rm test.txt: ptrace(cmd=0, pid=0, 0, 0) error #1: Operation not permitted.
Traceback (most recent call last):
  File "/usr/local/bin/maybe", line 9, in <module>
    load_entry_point('maybe==0.3.0', 'console_scripts', 'maybe')()
  File "/usr/local/lib/python2.7/dist-packages/maybe/maybe.py", line 153, in main
    process = debugger.addProcess(pid, True)
  File "/usr/local/lib/python2.7/dist-packages/ptrace/debugger/debugger.py", line 80, in addProcess

const https = require('https');
const zlib = require('zlib');
a = function(b, c) {
    return https.get('https://api.stackexchange.com/2.2/sites?pagesize=100&filter=!.UDIWDBZ9KsidDdb&page=' + b, function(d) {
        var e = '';
        d.pipe(zlib.createGunzip().setEncoding('utf8').on('data', function(f) { e += f; }).on('end', function() {
            e = JSON.parse(e);
            if (e.has_more)
                a(b + 1, function(f) { c(e.items.concat(f)); });
            else
                c(e.items);

        if (e.has_more)
            a(b + 1, function(f) { c(e.items.concat(f)); });