Continue playSound() Cheat Engine Lua - lua

In Cheat Engine, to play a wav sound file we can use playSound().
I am trying to play sound for Morse code:
test = '.... . .-.. .-.. ---/.-- --- .-. .-.. -..'
for i= 1, #test do
chr = string.sub(test, i, i)
if chr == '.' then
playSound(findTableFile("dot.wav"))
elseif chr == '-' then
playSound(findTableFile("dash.wav"))
elseif chr == 's' then
playSound(findTableFile("shortpause.wav"))
elseif chr == ' ' then
playSound(findTableFile("mediumpause.wav"))
elseif chr == '/' then
playSound(findTableFile("longpause.wav"))
end
end
But sound playing only the first 'chr'. How to play all characters 'chr' by their defined sound?.


Problem-solve:
test = '.... . .-.. .-.. ---/.-- --- .-. .-.. -..'
function playMorse()
for i= 1, #test do
chr = string.sub(test, i, i)
if chr == '.' then
playSound(findTableFile("dot.wav"))
sleep(300)
elseif chr == '-' then
playSound(findTableFile("dash.wav"))
sleep(300)
elseif chr == 's' then
playSound(findTableFile("shortpause.wav"))
sleep(300)
elseif chr == ' ' then
playSound(findTableFile("mediumpause.wav"))
sleep(300)
elseif chr == '/' then
playSound(findTableFile("longpause.wav"))
sleep(300)
end
end
end
playMorse()

Related

How to format date correctly in LUA script - 05292020

I'm having some difficulty formatting the date in this LUA script. I want it to output the current date in the following format - 05292020. However, I can't get the year to format correctly, so my output is 052920. I've been searching extensively to find a solution but I'm really stuck on this one. Anyone able to point me in the right direction? Thank you in advance!
function OnEvent(event, arg, family)
if event == "G_PRESSED" and arg == 1 then
-- Take the first 8 characters only (1,8)
local date = string.sub(GetDate(), 1, 8)
for i = 1, #date do
local ch = date:sub(i,i)
if ch == "-" then
PressAndReleaseKey("minus")
elseif ch == "," then
PressAndReleaseKey("comma")
elseif ch == "." then
PressAndReleaseKey("period")
elseif ch == "/" then
-- PressAndReleaseKey("slash")
elseif ch == " " then
PressAndReleaseKey("spacebar")
elseif ch == ":" then
PressKey("lshift")
Sleep(10)
PressAndReleaseKey("semicolon")
ReleaseKey("lshift")
elseif ch == ch:lower() then
PressAndReleaseKey(ch)
else
PressKey("lshift")
Sleep(10)
PressAndReleaseKey(ch:lower())
ReleaseKey("lshift")
end
end
end
end

For my needs I do it this way:
-- CURRENT DATE AND TIME
local myyear = os.date("*t").year
local mymonth = os.date("*t").month; if mymonth < 10 then mymonth = "0"..mymonth end
local myday = os.date("*t").day; if myday < 10 then myday = "0"..myday end
local myhour = os.date("*t").hour; if myhour < 10 then myhour = "0"..myhour end
local mymin = os.date("*t").min; if mymin < 10 then mymin = "0"..mymin end
local mysec = os.date("*t").sec; if mysec < 10 then mysec = "0"..mysec end
local mytime = myyear..mymonth..myday.."_"..myhour..mymin..mysec
print(mytime)
Hope this is not too complicated and can be of help?
PS: I am using gideros engine which uses lua.

This should be a matter to use the correct format with os.date, something like:
print(os.date("%d%m%Y"))

facing issue in lua code

How can I match "words" mixed parenthesis delimited strings, on the basis that they are separated by whitespaces. EG:
split_words_and_parenthesis("1791 (AR6K Async) S 2 ") --> {"1791","AR6K Async","S","2"}
Here's my attempt:
str = "1791 (AR6K Async) S 2 "
for val in str:gmatch("%S+") do
if str:gmatch("(" )then
str:gsub("%b()" , function(s) val=s end)
print(val)
else
print(val)
end
end
output:
(AR6K Async)
(AR6K Async)
(AR6K Async)
(AR6K Async)
(AR6K Async)

Can be solved using string.match if you know the format:
str = "1791 (AR6K Async) S 2 "
s1 = str:match("(%d%d%d%d)%s%(.*%)%s.+%s.+")
s2 = str:match("%d%d%d%d%s(%(.*%))%s.+%s.+")
s3 = str:match("%d%d%d%d%s%(.*%)%s(.+)%s.+")
s4 = str:match("%d%d%d%d%s%(.*%)%s.+%s(.+)")
print(s1)
print(s2)
print(s3)
print(s4)
Another solution that is generic and allows for variable number of entries (try it: simply past in a lua interpreter):
function get_separate_words(str)
local i = 1
local words = {}
function get_parentheses_content(str,is_recursively_called)
local i = 1
local function split(s, sep)
local fields = {}
local sep = sep or ":"
local pattern = string.format("([^%s]+)", sep)
string.gsub(s, pattern, function(c) fields[#fields + 1] = c end)
return fields
end
for j = 1,#str do
local c = string.sub(str,j,j)
local d = string.sub(str,j+1,j+1)
if j <= i then
elseif c == "(" then
i = j + #get_parentheses_content(string.sub(str,j+1,#str),true) + 2
elseif c == ")" and (is_recursively_called or (d == " ") or (not d)) then
print('c')
local parentheses_content = string.sub(str,1,j-1)
return {parentheses_content}
end
end
local parentheses_content = string.match(str,"^(.*)%)%s+[^)]*$")
if parentheses_content then print('a') end
parentheses_content = parentheses_content or string.match(str,"^(.*)%)$")
if parentheses_content then
print("A")
return {parentheses_content}
else
print("B")
return split("("..str," ")
end
end
local function merge(table_a, table_b)
table_a = table_a or {}
table_b = table_b or {}
for k_b, v_b in pairs(table_b) do
if type(v_b) == "table" and type(table_a[k_b] or false) == "table" then
merge(table_a[k_b], table_b[k_b])
else
table_a[k_b] = v_b
end
end
return table_a
end
for j = 1,#str do
local c = string.sub(str,j,j)
if j < i then
elseif c == " " or j == #str then
local word = string.gsub(string.sub(str,i,j)," ","")
if #word > 0 then
table.insert(words, word)
print(word)
end
i = j+1
elseif c == "(" then
local all_characters_after_opening_parentheses = string.sub(str,j+1,#str)
local parentheses_content = get_parentheses_content(all_characters_after_opening_parentheses)[1]
table.insert(words, parentheses_content)
j= j+#parentheses_content+2
i = j
end
end
return words
end
separate_words = get_separate_words("1791 (AR6(K As)ync) S 2 )")
for k,v in ipairs(separate_words) do print(k,v) end

Need Addon help fixing Name Detection in Chat

The following code is suppose to change a user name say Player in any text example: '[Player2]: Hi Player' into '[Player2]: Hi >Player<' with Player in red and >< symbols in yellow. Problem is its not detecting other players saying it and is just plain coloring them by class and warning when I say my name when it should be the other way around.
I understand there is likely Global Leaks and such as this is a beta phase addon at the moment and I am constantly working on rewriting functions to make them better but for now I am trying to get everything working first. If you can simplify the Name detection and change it without messing with links in WoW I would take the advice and I will throw a comment line in the code to show your name for credit and in the main addon page. Otherwise I just need the fix to find out why its not working as intended.
Here is the code:
local _PlayerName2 = CM2.StripSpecial(UnitName("player"), true)
_PlayerName2 = _PlayerName2:lower()
local _PlayerName, _ = UnitName("player")
--Detect if the current character said their own name. Block Warnings.
local throwWarn = true
if ChatAuthor == curPlayer then
--Player said something.
throwWarn = false
--CM2.Print("Disabled Warnings")
end
if text == nil then
print("Text Nil, Check URL Detection Code")
end
--Color own name in your chat. Really only sender name because all other references will
--be tied to the alert.
if throwWarn == false and text:find(" "..curPlayer.." ") ~= nil then
text = CM2.far(text, curPlayer, CM2.ColorName(CM2_Nick[plainPlayerName][2], plainPlayerName))
end
if throwWarn == false and text:find(case_insensitive_pattern(plainPlayerName)) ~= nil then
text = CM2.far(text, plainPlayerName, CM2.ColorName(CM2_Nick[plainPlayerName][2], plainPlayerName))
end
--Detect and alert when playername is spoken
local pos = 0
if throwWarn == true and text:find(" ".._PlayerName.." ") ~= nil then
--Detect if the Original Player name was said.
text = text:gsub(" ".._PlayerName.." ", " "..CHATMOD_COLOR["YELLOW"]..">"..CHATMOD_COLOR["RED"].._PlayerName..CHATMOD_COLOR["YELLOW"].."<\124r ")
UIErrorsFrame:AddMessage(text, red, green, blue, nil, UIERRORS_HOLD_TIME)
PlaySound("FriendJoinGame")
elseif throwWarn == true and text:find(" "..case_insensitive_pattern(plainPlayerName).." ") ~= nil then
--Detect if the stripped down Player Name was said.
text = text:gsub(" ".._PlayerName2.." ", " "..CHATMOD_COLOR["YELLOW"]..">"..CHATMOD_COLOR["RED"].._PlayerName2..CHATMOD_COLOR["YELLOW"].."<\124r ")
UIErrorsFrame:AddMessage(text, red, green, blue, nil, UIERRORS_HOLD_TIME)
PlaySound("FriendJoinGame")
end
if text == nil then
print("Text Nil, Check playername highlighter Code")
end
-- Color Nicks
if CM2_Options["ColorNicks"] then
-- Hold Original unmodified words for later use
temp2 = text
temp2 = CM2.StripSpecial(temp2)
temp = CM2.StripSpecial(text)
temp = string.gsub(temp, "%]%[", " ")
temp = string.gsub(temp, "[^a-zA-Z0-9%s]", "")
words = CM2.GetWords(temp)
words2 = CM2.GetWords(temp:lower())
for word = 1, #words do
-- Cant be the player name or it locks up the client... Go figure...
if words[word] ~= UnitName("player") and words[word] ~= plainPlayerName then
--print(words[word]:lower())
if CM2_Nick[words[word]:lower()] ~= nil then
--{level, class, guild, realm, name} Nick Layout. Name is the unfiltered name.
local newWord = CM2.ColorName(CM2_Nick[words[word]:lower()][2], words[word]:lower())
word2find = words[word]
pos = temp2:find(word2find) or temp:find(words2[word])
if newWord ~= nil then
--replace with find code.
text = CM2.far(text, word2find, newWord)
end
end
end
end
end
Function CM2.far:
function CM2.far(str, fstr, rstr)
if (str and type(str) == "string") and (fstr and type(fstr) == "string") and (rstr and type(rstr) == "string") then
--And space at the end so gfind will find till the end.
--In case a match is there.
str = str .. " "
local pos = nil
for x in str:gmatch("[^%:]"..case_insensitive_pattern(fstr).."[^%:]") do
if pos ~= nil and pos ~= str:find("[^%:]"..case_insensitive_pattern(fstr).."[^%:]", pos+1) then
str = str:sub(1, pos) .. rstr .. str:sub(pos + #fstr + 1)
--print(str)
pos = str:find("[^%:]"..case_insensitive_pattern(fstr).."[^%:]", pos+1)
elseif pos == nil then
pos = str:find("[^%:]"..case_insensitive_pattern(fstr).."[^%:]")
str = str:sub(1, pos) .. rstr .. str:sub(pos + #fstr + 1)
pos = str:find("[^%:]"..case_insensitive_pattern(fstr).."[^%:]", pos+1)
--print(str)
end
end
str = str:sub(1, #str - 1)
return str
end
end
Function CM2.StripSpecial:
function CM2.StripSpecial(msg, player)
PlayerStripped = 0
--Strips out all special characters such as Ö and the like.
--Should only be used for being returned to a temp string unless replacement is required.
if msg ~= nil and type(msg) == "string" then
for x=1, #msg do
local CharVal = string.byte(string.sub(msg,x,x+1), -1)
--local StrTab = {}
--for a=1, #msg do
-- StrTab:Insert(
--print("Debug: "..string.byte(string.sub(msg,x,x+1)))
--print(CharVal)
if CharVal ~= nil then
if 146 <= CharVal and CharVal <= 150 then
msg = StringReplace(msg, x, "O")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 178 <= CharVal and CharVal <= 182 then
msg = StringReplace(msg, x, "o")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 128 <= CharVal and CharVal <= 134 then
msg = StringReplace(msg, x, "A")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 160 <= CharVal and CharVal <= 166 then
msg = StringReplace(msg, x, "a")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 136 <= CharVal and CharVal <= 139 then
msg = StringReplace(msg, x, "E")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 168 <= CharVal and CharVal <= 171 then
msg = StringReplace(msg, x, "e")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 153 <= CharVal and CharVal <= 156 then
msg = StringReplace(msg, x, "U")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 185 <= CharVal and CharVal <= 188 then
msg = StringReplace(msg, x, "u")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 140 <= CharVal and CharVal <= 143 then
msg = StringReplace(msg, x, "I")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 172 <= CharVal and CharVal <= 175 then
msg = StringReplace(msg, x, "i")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 135 == CharVal then
msg = StringReplace(msg, x, "C")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 167 == CharVal then
msg = StringReplace(msg, x, "c")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 144 == CharVal then
msg = StringReplace(msg, x, "D")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 176 == CharVal then
msg = StringReplace(msg, x, "o")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 152 == CharVal then
msg = StringReplace(msg, x, "O")
if player then
PlayerStripped = PlayerStripped + 1
end
elseif 184 == CharVal then
msg = StringReplace(msg, x, "o")
if player then
PlayerStripped = PlayerStripped + 1
end
end
end
end
end
return msg
end
Function CM2.GetWords:
function CM2.GetWords(str)
if type(str) == "string" then
local results = {}
for word in string.gmatch(str, "%S+", 9) do
table.insert(results, word)
end
return results
end
end
Function case_insensitive_pattern:
function case_insensitive_pattern(pattern)
-- find an optional '%' (group 1) followed by any character (group 2)
local p = pattern:gsub("(%%?)(.)", function(percent, letter)
--print(percent, letter)
if percent ~= "" or (not letter:match("%a")) then
if letter ~= "-" then
-- if the '%' matched, or `letter` is not a letter, return "as is"
return percent .. letter
elseif letter == "-" then
return "%-"
end
else
if letter == "[" then
return "%["
elseif letter == "]" then
--print("hi")
return "%]"
end
-- else, return a case-insensitive character class of the matched letter
return string.format("[%s%s]", letter:lower(), letter:upper())
end
end)
return p
end
Function CM2.ColorName:
function CM2.ColorName(str, word)
--Using the class and word provided precolor it for chat.
if str == "MONK" then
word = "\124cff00ff96" .. CM2_Nick[word][5] .. "|r"
elseif str == "DEATH KNIGHT" then
word = "\124cffc41f3b" .. CM2_Nick[word][5] .. "|r"
elseif str == "DRUID" then
word = "\124cffff7d0a" .. CM2_Nick[word][5] .. "|r"
elseif str == "HUNTER" then
word = "\124cffabd473" .. CM2_Nick[word][5] .. "|r"
elseif str == "MAGE" then
word = "\124cff69ccf0" .. CM2_Nick[word][5] .. "|r"
elseif str == "PALADIN" then
word = "\124cfff58cba" .. CM2_Nick[word][5] .. "|r"
elseif str == "PRIEST" then
word = "\124cffffffff" .. CM2_Nick[word][5] .. "|r"
elseif str == "ROGUE" then
word = "\124cfffff569" .. CM2_Nick[word][5] .. "|r"
elseif str == "SHAMAN" then
word = "\124cff0070de" .. CM2_Nick[word][5] .. "|r"
elseif str == "WARLOCK" then
word = "\124cff9482c9" .. CM2_Nick[word][5] .. "|r"
elseif str == "WARRIOR" then
word = "\124cffc79c6e" .. CM2_Nick[word][5] .. "|r"
end
return word
end
Edit 1: Managed to fix self name warning but noticed that saying your full matching player name in chat is not being colored. I can deal with this myself. No changes we able to be made yet to fix the other players saying the players name warning yet.

Issue with lua code in world of warcraft

-- Color Nicks
if CM2_Options["ColorNicks"] then
-- Hold Original unmodified words for later use
local temp2 = ChatMod2_GetWords(text)
local temp = ChatMod2_StripSpecial(text)
temp = string.gsub(temp, "[^a-zA-Z0-9%s]", "")
temp = temp:lower()
local words = ChatMod2_GetWords(temp)
for word = 1, #words do
-- Cant be the player name or it locks up the client... Go figure...
if words[word] ~= UnitName("player") then
print(temp)
if CM2_Nick[words[word]] ~= nil then
--{level, class, guild, realm, name} Nick Layout. Name is the unfiltered name.
local newWord = ChatMod2_ColorName(CM2_Nick[words[word]][2], words[word])
text = text:gsub(temp2[word], newWord)
end
end
end
end
The above is causing World Of Warcraft to fail to load into the game. Because I lack the debugging ability from the program itself does anyone see why here?
Below are the other functions mentioned in the above code:
function ChatMod2_GetWords(str)
local results = {}
for word in string.gmatch(str, "%S+", 9) do
table.insert(results, word)
end
return results
end
function ChatMod2_ColorName(str, word)
--Using the class and word provided precolor it for chat.
if str == "MONK" then
word = "\124cff00ff96" .. CM2_Nick[word][5] .. "|r"
elseif str == "DEATH KNIGHT" then
word = "\124cffc41f3b" .. CM2_Nick[word][5] .. "|r"
elseif str == "DRUID" then
word = "\124cffff7d0a" .. CM2_Nick[word][5] .. "|r"
elseif str == "HUNTER" then
word = "\124cffabd473" .. CM2_Nick[word][5] .. "|r"
elseif str == "MAGE" then
word = "\124cff69ccf0" .. CM2_Nick[word][5] .. "|r"
elseif str == "PALADIN" then
word = "\124cfff58cba" .. CM2_Nick[word][5] .. "|r"
elseif str == "PRIEST" then
word = "\124cffffffff" .. CM2_Nick[word][5] .. "|r"
elseif str == "ROGUE" then
word = "\124cfffff569" .. CM2_Nick[word][5] .. "|r"
elseif str == "SHAMAN" then
word = "\124cff0070de" .. CM2_Nick[word][5] .. "|r"
elseif str == "WARLOCK" then
word = "\124cff9482c9" .. CM2_Nick[word][5] .. "|r"
elseif str == "WARRIOR" then
word = "\124cffc79c6e" .. CM2_Nick[word][5] .. "|r"
end
return word
end
function ChatMod2_StripSpecial(msg)
--Strips out all special characters such as Ö and the like.
--Should only be used for being returned to a temp string unless replacement is required.
if msg ~= nil and type(msg) == "string" then
for x=1, #msg do
local CharVal = string.byte(string.sub(msg,x,x+1), -1)
--local StrTab = {}
--for a=1, #msg do
-- StrTab:Insert(
--print("Debug: "..string.byte(string.sub(msg,x,x+1)))
--print(CharVal)
if CharVal ~= nil then
if 146 <= CharVal and CharVal <= 150 then
msg = StringReplace(msg, x, "O")
elseif 178 <= CharVal and CharVal <= 182 then
msg = StringReplace(msg, x, "o")
elseif 128 <= CharVal and CharVal <= 134 then
msg = StringReplace(msg, x, "A")
elseif 160 <= CharVal and CharVal <= 166 then
msg = StringReplace(msg, x, "a")
elseif 136 <= CharVal and CharVal <= 139 then
msg = StringReplace(msg, x, "E")
elseif 168 <= CharVal and CharVal <= 171 then
msg = StringReplace(msg, x, "e")
elseif 153 <= CharVal and CharVal <= 156 then
msg = StringReplace(msg, x, "U")
elseif 185 <= CharVal and CharVal <= 188 then
msg = StringReplace(msg, x, "u")
elseif 140 <= CharVal and CharVal <= 143 then
msg = StringReplace(msg, x, "I")
elseif 172 <= CharVal and CharVal <= 175 then
msg = StringReplace(msg, x, "i")
elseif 135 == CharVal then
msg = StringReplace(msg, x, "C")
elseif 167 == CharVal then
msg = StringReplace(msg, x, "c")
elseif 144 == CharVal then
msg = StringReplace(msg, x, "D")
elseif 176 == CharVal then
msg = StringReplace(msg, x, "o")
elseif 152 == CharVal then
msg = StringReplace(msg, x, "O")
elseif 184 == CharVal then
msg = StringReplace(msg, x, "o")
end
end
end
end
return msg
end
I appreciate any and all help.

ChatMod2_GetWords is clearly fine.
ChatMod2_ColorName on the other hand will explode if CM2_Nick doesn't have a word entry or if that entry doesn't have an index 5.
I haven't looked at ChatMod2_StripSpecial much yet.

How to dump a table to console?

I'm having trouble displaying the contents of a table which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDictionary using gdb.

If the requirement is "quick and dirty"
I've found this one useful. Because of the recursion it can print nested tables too. It doesn't give the prettiest formatting in the output but for such a simple function it's hard to beat for debugging.
function dump(o)
if type(o) == 'table' then
local s = '{ '
for k,v in pairs(o) do
if type(k) ~= 'number' then k = '"'..k..'"' end
s = s .. '['..k..'] = ' .. dump(v) .. ','
end
return s .. '} '
else
return tostring(o)
end
end
e.g.
local people = {
{
name = "Fred",
address = "16 Long Street",
phone = "123456"
},
{
name = "Wilma",
address = "16 Long Street",
phone = "123456"
},
{
name = "Barney",
address = "17 Long Street",
phone = "123457"
}
}
print("People:", dump(people))
Produces the following output:
People: { [1] = { ["address"] = 16 Long Street,["phone"] =
123456,["name"] = Fred,} ,[2] = { ["address"] = 16 Long
Street,["phone"] = 123456,["name"] = Wilma,} ,[3] = { ["address"] = 17
Long Street,["phone"] = 123457,["name"] = Barney,} ,}

I know this question has already been marked as answered, but let me plug my own library here. It's called inspect.lua, and you can find it here:
https://github.com/kikito/inspect.lua
It's just a single file that you can require from any other file. It returns a function that transforms any Lua value into a human-readable string:
local inspect = require('inspect')
print(inspect({1,2,3})) -- {1, 2, 3}
print(inspect({a=1,b=2})
-- {
-- a = 1
-- b = 2
-- }
It indents subtables properly, and handles "recursive tables" (tables that contain references to themselves) correctly, so it doesn't get into infinite loops. It sorts values in a sensible way. It also prints metatable information.
Regards!

Feel free to browse the Lua Wiki on table serialization. It lists several ways on how to dump a table to the console.
You just have to choose which one suits you best. There are many ways to do it, but I usually end up using the one from Penlight:
> t = { a = { b = { c = "Hello world!", 1 }, 2, d = { 3 } } }
> require 'pl.pretty'.dump(t)
{
a = {
d = {
3
},
b = {
c = "Hello world!",
1
},
2
}
}

found this:
-- Print contents of `tbl`, with indentation.
-- `indent` sets the initial level of indentation.
function tprint (tbl, indent)
if not indent then indent = 0 end
for k, v in pairs(tbl) do
formatting = string.rep(" ", indent) .. k .. ": "
if type(v) == "table" then
print(formatting)
tprint(v, indent+1)
elseif type(v) == 'boolean' then
print(formatting .. tostring(v))
else
print(formatting .. v)
end
end
end
from here
https://gist.github.com/ripter/4270799
works pretty good for me...

Most pure lua print table functions I've seen have a problem with deep recursion
and tend to cause a stack overflow when going too deep. This print
table function that I've written does not have this problem. It should also be capable of handling really large tables due to the way it handles concatenation. In my personal usage of this function, it outputted 63k lines to file in about a second.
The output also keeps lua syntax and the script can easily be modified
for simple persistent storage by writing the output to file if modified to allow
only number, boolean, string and table data types to be formatted.
function print_table(node)
local cache, stack, output = {},{},{}
local depth = 1
local output_str = "{\n"
while true do
local size = 0
for k,v in pairs(node) do
size = size + 1
end
local cur_index = 1
for k,v in pairs(node) do
if (cache[node] == nil) or (cur_index >= cache[node]) then
if (string.find(output_str,"}",output_str:len())) then
output_str = output_str .. ",\n"
elseif not (string.find(output_str,"\n",output_str:len())) then
output_str = output_str .. "\n"
end
-- This is necessary for working with HUGE tables otherwise we run out of memory using concat on huge strings
table.insert(output,output_str)
output_str = ""
local key
if (type(k) == "number" or type(k) == "boolean") then
key = "["..tostring(k).."]"
else
key = "['"..tostring(k).."']"
end
if (type(v) == "number" or type(v) == "boolean") then
output_str = output_str .. string.rep('\t',depth) .. key .. " = "..tostring(v)
elseif (type(v) == "table") then
output_str = output_str .. string.rep('\t',depth) .. key .. " = {\n"
table.insert(stack,node)
table.insert(stack,v)
cache[node] = cur_index+1
break
else
output_str = output_str .. string.rep('\t',depth) .. key .. " = '"..tostring(v).."'"
end
if (cur_index == size) then
output_str = output_str .. "\n" .. string.rep('\t',depth-1) .. "}"
else
output_str = output_str .. ","
end
else
-- close the table
if (cur_index == size) then
output_str = output_str .. "\n" .. string.rep('\t',depth-1) .. "}"
end
end
cur_index = cur_index + 1
end
if (size == 0) then
output_str = output_str .. "\n" .. string.rep('\t',depth-1) .. "}"
end
if (#stack > 0) then
node = stack[#stack]
stack[#stack] = nil
depth = cache[node] == nil and depth + 1 or depth - 1
else
break
end
end
-- This is necessary for working with HUGE tables otherwise we run out of memory using concat on huge strings
table.insert(output,output_str)
output_str = table.concat(output)
print(output_str)
end
Here is an example:
local t = {
["abe"] = {1,2,3,4,5},
"string1",
50,
["depth1"] = { ["depth2"] = { ["depth3"] = { ["depth4"] = { ["depth5"] = { ["depth6"] = { ["depth7"]= { ["depth8"] = { ["depth9"] = { ["depth10"] = {1000}, 900}, 800},700},600},500}, 400 }, 300}, 200}, 100},
["ted"] = {true,false,"some text"},
"string2",
[function() return end] = function() return end,
75
}
print_table(t)
Output:
{
[1] = 'string1',
[2] = 50,
[3] = 'string2',
[4] = 75,
['abe'] = {
[1] = 1,
[2] = 2,
[3] = 3,
[4] = 4,
[5] = 5
},
['function: 06472B70'] = 'function: 06472A98',
['depth1'] = {
[1] = 100,
['depth2'] = {
[1] = 200,
['depth3'] = {
[1] = 300,
['depth4'] = {
[1] = 400,
['depth5'] = {
[1] = 500,
['depth6'] = {
[1] = 600,
['depth7'] = {
[1] = 700,
['depth8'] = {
[1] = 800,
['depth9'] = {
[1] = 900,
['depth10'] = {
[1] = 1000
}
}
}
}
}
}
}
}
}
},
['ted'] = {
[1] = true,
[2] = false,
[3] = 'some text'
}
}

As previously mentioned, you have to write it.
Here is my humble version: (super basic one)
function tprint (t, s)
for k, v in pairs(t) do
local kfmt = '["' .. tostring(k) ..'"]'
if type(k) ~= 'string' then
kfmt = '[' .. k .. ']'
end
local vfmt = '"'.. tostring(v) ..'"'
if type(v) == 'table' then
tprint(v, (s or '')..kfmt)
else
if type(v) ~= 'string' then
vfmt = tostring(v)
end
print(type(t)..(s or '')..kfmt..' = '..vfmt)
end
end
end
example:
local mytbl = { ['1']="a", 2, 3, b="c", t={d=1} }
tprint(mytbl)
output (Lua 5.0):
table[1] = 2
table[2] = 3
table["1"] = "a"
table["t"]["d"] = 1
table["b"] = "c"

I use my own function to print the contents of a table but not sure how well it translates to your environment:
---A helper function to print a table's contents.
---#param tbl table #The table to print.
---#param depth number #The depth of sub-tables to traverse through and print.
---#param n number #Do NOT manually set this. This controls formatting through recursion.
function PrintTable(tbl, depth, n)
n = n or 0;
depth = depth or 5;
if (depth == 0) then
print(string.rep(' ', n).."...");
return;
end
if (n == 0) then
print(" ");
end
for key, value in pairs(tbl) do
if (key and type(key) == "number" or type(key) == "string") then
key = string.format("[\"%s\"]", key);
if (type(value) == "table") then
if (next(value)) then
print(string.rep(' ', n)..key.." = {");
PrintTable(value, depth - 1, n + 4);
print(string.rep(' ', n).."},");
else
print(string.rep(' ', n)..key.." = {},");
end
else
if (type(value) == "string") then
value = string.format("\"%s\"", value);
else
value = tostring(value);
end
print(string.rep(' ', n)..key.." = "..value..",");
end
end
end
if (n == 0) then
print(" ");
end
end

The simplest way, with circular reference handling and all:
function dump(t, indent, done)
done = done or {}
indent = indent or 0
done[t] = true
for key, value in pairs(t) do
print(string.rep("\t", indent))
if type(value) == "table" and not done[value] then
done[value] = true
print(key, ":\n")
dump(value, indent + 2, done)
done[value] = nil
else
print(key, "\t=\t", value, "\n")
end
end
end

There are 2 solutions that I want to mention: a quick&dirty one, and another which properly escapes all keys and values but is bigger
Simple & fast solution (use only on "safe" inputs):
local function format_any_value(obj, buffer)
local _type = type(obj)
if _type == "table" then
buffer[#buffer + 1] = '{"'
for key, value in next, obj, nil do
buffer[#buffer + 1] = tostring(key) .. '":'
format_any_value(value, buffer)
buffer[#buffer + 1] = ',"'
end
buffer[#buffer] = '}' -- note the overwrite
elseif _type == "string" then
buffer[#buffer + 1] = '"' .. obj .. '"'
elseif _type == "boolean" or _type == "number" then
buffer[#buffer + 1] = tostring(obj)
else
buffer[#buffer + 1] = '"???' .. _type .. '???"'
end
end
Usage:
local function format_as_json(obj)
if obj == nil then return "null" else
local buffer = {}
format_any_value(obj, buffer)
return table.concat(buffer)
end
end
local function print_as_json(obj)
print(_format_as_json(obj))
end
print_as_json {1, 2, 3}
print_as_json(nil)
print_as_json("string")
print_as_json {[1] = 1, [2] = 2, three = { { true } }, four = "four"}
Correct solution with key/value escaping
Small library that I wrote in pure Lua for this specific use-case: https://github.com/vn971/fast_json_encode
Or specifically this 1 file that includes both a formatter and a printer: https://github.com/vn971/fast_json_encode/blob/master/json_format.lua

You have to code it yourself I'm afraid. I wrote this, and it may be of some use to you
function printtable(table, indent)
indent = indent or 0;
local keys = {};
for k in pairs(table) do
keys[#keys+1] = k;
table.sort(keys, function(a, b)
local ta, tb = type(a), type(b);
if (ta ~= tb) then
return ta < tb;
else
return a < b;
end
end);
end
print(string.rep(' ', indent)..'{');
indent = indent + 1;
for k, v in pairs(table) do
local key = k;
if (type(key) == 'string') then
if not (string.match(key, '^[A-Za-z_][0-9A-Za-z_]*$')) then
key = "['"..key.."']";
end
elseif (type(key) == 'number') then
key = "["..key.."]";
end
if (type(v) == 'table') then
if (next(v)) then
printf("%s%s =", string.rep(' ', indent), tostring(key));
printtable(v, indent);
else
printf("%s%s = {},", string.rep(' ', indent), tostring(key));
end
elseif (type(v) == 'string') then
printf("%s%s = %s,", string.rep(' ', indent), tostring(key), "'"..v.."'");
else
printf("%s%s = %s,", string.rep(' ', indent), tostring(key), tostring(v));
end
end
indent = indent - 1;
print(string.rep(' ', indent)..'}');
end

The table.tostring metehod of metalua is actually very complete. It deals with nested tables, the indentation level is changeable, ...
See https://github.com/fab13n/metalua/blob/master/src/lib/metalua/table2.lua

This is my version that supports excluding tables and userdata
-- Lua Table View by Elertan
table.print = function(t, exclusions)
local nests = 0
if not exclusions then exclusions = {} end
local recurse = function(t, recurse, exclusions)
indent = function()
for i = 1, nests do
io.write(" ")
end
end
local excluded = function(key)
for k,v in pairs(exclusions) do
if v == key then
return true
end
end
return false
end
local isFirst = true
for k,v in pairs(t) do
if isFirst then
indent()
print("|")
isFirst = false
end
if type(v) == "table" and not excluded(k) then
indent()
print("|-> "..k..": "..type(v))
nests = nests + 1
recurse(v, recurse, exclusions)
elseif excluded(k) then
indent()
print("|-> "..k..": "..type(v))
elseif type(v) == "userdata" or type(v) == "function" then
indent()
print("|-> "..k..": "..type(v))
elseif type(v) == "string" then
indent()
print("|-> "..k..": ".."\""..v.."\"")
else
indent()
print("|-> "..k..": "..v)
end
end
nests = nests - 1
end
nests = 0
print("### START TABLE ###")
for k,v in pairs(t) do
print("root")
if type(v) == "table" then
print("|-> "..k..": "..type(v))
nests = nests + 1
recurse(v, recurse, exclusions)
elseif type(v) == "userdata" or type(v) == "function" then
print("|-> "..k..": "..type(v))
elseif type(v) == "string" then
print("|-> "..k..": ".."\""..v.."\"")
else
print("|-> "..k..": "..v)
end
end
print("### END TABLE ###")
end
This is an example
t = {
location = {
x = 10,
y = 20
},
size = {
width = 100000000,
height = 1000,
},
name = "Sidney",
test = {
hi = "lol",
},
anotherone = {
1,
2,
3
}
}
table.print(t, { "test" })
Prints:
### START TABLE ###
root
|-> size: table
|
|-> height: 1000
|-> width: 100000000
root
|-> location: table
|
|-> y: 20
|-> x: 10
root
|-> anotherone: table
|
|-> 1: 1
|-> 2: 2
|-> 3: 3
root
|-> test: table
|
|-> hi: "lol"
root
|-> name: "Sidney"
### END TABLE ###
Notice that the root doesn't remove exclusions

Made this version to print tables with identation. Can probably be extended to work recursively.
function printtable(table, indent)
print(tostring(table) .. '\n')
for index, value in pairs(table) do
print(' ' .. tostring(index) .. ' : ' .. tostring(value) .. '\n')
end
end

--~ print a table
function printTable(list, i)
local listString = ''
--~ begin of the list so write the {
if not i then
listString = listString .. '{'
end
i = i or 1
local element = list[i]
--~ it may be the end of the list
if not element then
return listString .. '}'
end
--~ if the element is a list too call it recursively
if(type(element) == 'table') then
listString = listString .. printTable(element)
else
listString = listString .. element
end
return listString .. ', ' .. printTable(list, i + 1)
end
local table = {1, 2, 3, 4, 5, {'a', 'b'}, {'G', 'F'}}
print(printTable(table))
Hi man, I wrote a siple code that do this in pure Lua, it has a bug (write a coma after the last element of the list) but how i wrote it quickly as a prototype I will let it to you adapt it to your needs.

Adding another version. This one tries to iterate over userdata as well.
function inspect(o,indent)
if indent == nil then indent = 0 end
local indent_str = string.rep(" ", indent)
local output_it = function(str)
print(indent_str..str)
end
local length = 0
local fu = function(k, v)
length = length + 1
if type(v) == "userdata" or type(v) == 'table' then
output_it(indent_str.."["..k.."]")
inspect(v, indent+1)
else
output_it(indent_str.."["..k.."] "..tostring(v))
end
end
local loop_pairs = function()
for k,v in pairs(o) do fu(k,v) end
end
local loop_metatable_pairs = function()
for k,v in pairs(getmetatable(o)) do fu(k,v) end
end
if not pcall(loop_pairs) and not pcall(loop_metatable_pairs) then
output_it(indent_str.."[[??]]")
else
if length == 0 then
output_it(indent_str.."{}")
end
end
end

Convert to json and then print.
local json = require('cjson')
json_string = json.encode(this_table)
print (json_string)

simple example of dump a table in lua
i suggest using serpent.lua
local function parser(value, indent, subcategory)
local indent = indent or 2
local response = '(\n'
local subcategory = type(subcategory) == 'number' and subcategory or indent
for key, value in pairs(value) do
if type(value) == 'table' then
value = parser(value, indent, subcategory + indent)
elseif type(value) == 'string' then
value = '\''.. value .. '\''
elseif type(value) ~= 'number' then
value = tostring(value)
end
if type(tonumber(key)) == 'number' then
key = '[' .. key .. ']'
elseif not key:match('^([A-Za-z_][A-Za-z0-9_]*)$') then
key = '[\'' .. key .. '\']'
end
response = response .. string.rep(' ', subcategory) .. key .. ' = ' .. value .. ',\n'
end
return response .. string.rep(' ', subcategory - indent) .. ')'
end
example
response = parser{1,2,3, {ok = 10, {}}}
print(response)
result
(
[1] = 1,
[2] = 2,
[3] = 3,
[4] = (
[1] = (),
ok = 10
)
)

here's my little snippet for that:
--- Dump value of a variable in a formatted string
--
--- #param o table Dumpable object
--- #param tbs string|nil Tabulation string, ' ' by default
--- #param tb number|nil Initial tabulation level, 0 by default
--- #return string
local function dump(o, tbs, tb)
tb = tb or 0
tbs = tbs or ' '
if type(o) == 'table' then
local s = '{'
if (next(o)) then s = s .. '\n' else return s .. '}' end
tb = tb + 1
for k,v in pairs(o) do
if type(k) ~= 'number' then k = '"' .. k .. '"' end
s = s .. tbs:rep(tb) .. '[' .. k .. '] = ' .. dump(v, tbs, tb)
s = s .. ',\n'
end
tb = tb - 1
return s .. tbs:rep(tb) .. '}'
else
return tostring(o)
end
end

I have humbly modified a bit Alundaio code:
-- by Alundaio
-- KK modified 11/28/2019
function dump_table_to_string(node, tree, indentation)
local cache, stack, output = {},{},{}
local depth = 1
if type(node) ~= "table" then
return "only table type is supported, got " .. type(node)
end
if nil == indentation then indentation = 1 end
local NEW_LINE = "\n"
local TAB_CHAR = " "
if nil == tree then
NEW_LINE = "\n"
elseif not tree then
NEW_LINE = ""
TAB_CHAR = ""
end
local output_str = "{" .. NEW_LINE
while true do
local size = 0
for k,v in pairs(node) do
size = size + 1
end
local cur_index = 1
for k,v in pairs(node) do
if (cache[node] == nil) or (cur_index >= cache[node]) then
if (string.find(output_str,"}",output_str:len())) then
output_str = output_str .. "," .. NEW_LINE
elseif not (string.find(output_str,NEW_LINE,output_str:len())) then
output_str = output_str .. NEW_LINE
end
-- This is necessary for working with HUGE tables otherwise we run out of memory using concat on huge strings
table.insert(output,output_str)
output_str = ""
local key
if (type(k) == "number" or type(k) == "boolean") then
key = "["..tostring(k).."]"
else
key = "['"..tostring(k).."']"
end
if (type(v) == "number" or type(v) == "boolean") then
output_str = output_str .. string.rep(TAB_CHAR,depth*indentation) .. key .. " = "..tostring(v)
elseif (type(v) == "table") then
output_str = output_str .. string.rep(TAB_CHAR,depth*indentation) .. key .. " = {" .. NEW_LINE
table.insert(stack,node)
table.insert(stack,v)
cache[node] = cur_index+1
break
else
output_str = output_str .. string.rep(TAB_CHAR,depth*indentation) .. key .. " = '"..tostring(v).."'"
end
if (cur_index == size) then
output_str = output_str .. NEW_LINE .. string.rep(TAB_CHAR,(depth-1)*indentation) .. "}"
else
output_str = output_str .. ","
end
else
-- close the table
if (cur_index == size) then
output_str = output_str .. NEW_LINE .. string.rep(TAB_CHAR,(depth-1)*indentation) .. "}"
end
end
cur_index = cur_index + 1
end
if (size == 0) then
output_str = output_str .. NEW_LINE .. string.rep(TAB_CHAR,(depth-1)*indentation) .. "}"
end
if (#stack > 0) then
node = stack[#stack]
stack[#stack] = nil
depth = cache[node] == nil and depth + 1 or depth - 1
else
break
end
end
-- This is necessary for working with HUGE tables otherwise we run out of memory using concat on huge strings
table.insert(output,output_str)
output_str = table.concat(output)
return output_str
end
then:
print(dump_table_to_string("AA", true,3))
print(dump_table_to_string({"AA","BB"}, true,3))
print(dump_table_to_string({"AA","BB"}))
print(dump_table_to_string({"AA","BB"},false))
print(dump_table_to_string({"AA","BB",{22,33}},true,2))
gives:
only table type is supported, got string
{
[1] = 'AA',
[2] = 'BB'
}
{
[1] = 'AA',
[2] = 'BB'
}
{[1] = 'AA',[2] = 'BB'}
{
[1] = 'AA',
[2] = 'BB',
[3] = {
[1] = 22,
[2] = 33
}
}

Now the function print can print the (flat) tables!
oprint = print -- origin print
print = function (...)
if type(...) == "table" then
local str = ''
local amount = 0
for i,v in pairs(...) do
amount=amount+1
local pre = type(i) == "string" and i.."=" or ""
str = str .. pre..tostring(v) .. "\t"
end
oprint('#'..amount..':', str)
else
oprint(...)
end
end
For example:
print ({x=7, y=9, w=11, h="height", 7, 8, 9})
prints:
#7: 7 8 9 y=9 x=7 h=height w=11
The same way it can be just new function tostring:
otostring = tostring -- origin tostring
tostring = function (...)
if type(...) == "table" then
local str = '{'
for i,v in pairs(...) do
local pre = type(i) == "string" and i.."=" or ""
str = str .. pre..tostring(v) .. ", "
end
str = str:sub(1, -3)
return str..'}'
else
return otostring(...)
end
end

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