roman-orekhov

function check_registry()
    local reg = debug.getregistry()
    local s, cur, min, max = #reg + 1, 0
    local ids, lst = {}, {n = 0}
    while type(reg[cur]) == "number" do
        if ids[cur] then return false, (table.concat(lst, "-")..": cycle "..cur) end
        ids[cur] = 1
        lst.n = lst.n + 1
        lst[lst.n] = cur
        if lst.n == 1 then

roman-orekhov

#!/bin/bash

# adapted from https://github.com/majek/dump/blob/master/how-to-receive-a-packet/softnet.sh

cmd="${0##*/}"

usage() {
cat >&2 <<EOI
usage: $cmd [ -h ]