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if not modules then modules = { } end modules ['util-ran'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local random = math.random
local concat = table.concat
local sub, upper = string.sub, string.upper
local randomizers = utilities.randomizers or { }
utilities.randomizers = randomizers
local l_one = "bcdfghjklmnpqrstvwxz"
local l_two = "aeiouy"
local u_one = upper(l_one)
local u_two = upper(l_two)
local n_one = #l_one
local n_two = #l_two
function randomizers.word(min,max,separator)
local t = { }
for i=1,random(min,max) do
if i % 2 == 0 then
local r = random(1,n_one)
t[i] = sub(l_one,r,r)
else
local r = random(1,n_two)
t[i] = sub(l_two,r,r)
end
end
return concat(t,separator)
end
function randomizers.initials(min,max)
if not min then
if not max then
min, max = 1, 3
else
min, max = 1, min
end
elseif not max then
max = min
end
local t = { }
local n = random(min or 1,max or 3)
local m = 0
for i=1,n do
m = m + 1
if i % 2 == 0 then
local r = random(1,n_one)
t[m] = sub(u_one,r,r)
else
local r = random(1,n_two)
t[m] = sub(u_two,r,r)
end
m = m + 1
t[m] = "."
end
return concat(t)
end
function randomizers.firstname(min,max)
if not min then
if not max then
min, max = 3, 10
else
min, max = 1, min
end
elseif not max then
max = min
end
local t = { }
local n = random(min,max)
local b = true
if n % 2 == 0 then
local r = random(1,n_two)
t[1] = sub(u_two,r,r)
b = true
else
local r = random(1,n_one)
t[1] = sub(u_one,r,r)
b = false
end
for i=2,n do
if b then
local r = random(1,n_one)
t[i] = sub(l_one,r,r)
b = false
else
local r = random(1,n_two)
t[i] = sub(l_two,r,r)
b = true
end
end
return concat(t,separator)
end
randomizers.surname = randomizers.firstname
-- for i=1,10 do
-- print(randomizers.initials(1,3),randomizers.firstname(5,10),randomizers.surname(5,15))
-- end
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