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Create, append multidimentional array table lua

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Corroder
Grandmaster Cheater Supreme

Reputation: 75

Joined: 10 Apr 2015
Posts: 1668

Posted: Thu Jun 25, 2020 7:50 pm Post subject: Create, append multidimentional array table lua

Say I have a table.

Code:

mytable = {}
data1 = 'corroder'
data2 = 'dumb'
data3 = 1000

I can append an item to mytable like this:

Code:

table.insert(mytable, data1)

-- or

function addTblItem(...)
for i = 1, select('#',...) do
mytable[#mytable+1] = select(i,...)
end
end

addTblItem(data1, data2, data3)
for i = 1, #mytable do print(mytable[i]) end

I got tree items in tree line rows on mytable.

But, what I want is a multidimensional array table, example:

Code:

mytable = {
{ data1 = 'corroder', data2 = 'dumb', data3 = 1000},
{ data1 = 'someone', data2 = 'something', data3 = somenumber}
-- and so on
}

Questions:
1. How to create or append items to mytable with the table structure as I wanted above using Lua CE script?
2. How to check if an item is already exist on mytable by data1 and data2

I have search in google for some references or examples but cant find a matched case.

EDIT : SELF ANSWER Q1:

I can do it like this:

Code:

mytable = {}
data1 = 'corroder'
data2 = 'dumb'
data3 = 1000

mytable = { data1 = data1, data2 = data2, data3 = data3}
print(mytable.data1, mytable.data2, mytable.data3)

data1 = 'dtrump'
data2 = 'politic'
data3 = 10000

mytable[2] = { data1 = data1, data2 = data2, data3 = data3}
print(mytable[2].data1, mytable[2].data2, mytable[2].data3)

Just need turn to append items to the table into a function.
Or (Q3) how use table.insert to append item on table?
_________________

Stealing Code From Stolen Code...
And Admit It.. Hmmm....Typically LOL

blankTM
Cheater

Reputation: 1

Joined: 03 May 2020
Posts: 49

Posted: Thu Jun 25, 2020 8:49 pm Post subject: Re: Create, append multidimentional array table lua

HashMap:

Code:

---------------------------------
-- Author: Reyn
-- Date: 2016-07-01
-- Comment: HashMap
---------------------------------

function table.keyAsValue(...)
local arr = {...}
local ret = {}
for _,v in ipairs(arr) do
ret[v] = v
end
return ret
end

function table.len(tbl)
local count = 0
for k, v in pairs(tbl) do
count = count + 1
end
return count
end

function table.print(tbl)
local format = string.format
for k,v in pairs(tbl) do
print(format('[%s] => ', k), v)
end
end

DATA_TYPE = table.keyAsValue('boolean', 'number', 'string', 'function', 'table', 'thread', 'nil')

function checkType(v, type)
return v == DATA_TYPE[type]
end

local function checkHashType(tp)
if not (tp == 'Mixed' or DATA_TYPE[tp]) then
tp = 'Mixed'
end
return tp
end

function Map(ktype, vtype)
local new_map = {}
local __map__ = {}

local __methods__ = {}
local __key_type__, __value_type__ = checkHashType(ktype), checkHashType(vtype)
function __methods__:typeOf()
return string.format('HashMap<%s, %s>',__key_type__,__value_type__)
end
function __methods__:len()
return table.len(__map__)
end
function __methods__:set(k, v)
if (__key_type__ == 'Mixed' or type(k) == __key_type__)
and (__value_type__ == 'Mixed' or type(v) == __value_type__) then
__map__[k] = v
end
end
function __methods__:unset(k)
__map__[k] = nil
end
function __methods__:print()
table.print(__map__)
end
function __methods__:filterKey(tp)
print('filter key type:',tp)
for k,v in pairs(__map__) do
if not checkType(type(k), tp) then
__map__[k] = nil
end
end
end
function __methods__:filterValue(tp)
print('filter value type:',tp)
for k,v in pairs(__map__) do
if not checkType(type(v), tp) then
__map__[k] = nil
end
end
end
function __methods__:setKeyType(type)
if not checkType(type, nil) then
if __key_type__ == type then
return
end
__key_type__ = type
self:filterKey(type)
end
end
function __methods__:setValueType(type)
if not checkType(type, nil) then
if __value_type__ == type then
return
end
__value_type__ = type
self:filterValue(type)
end
end
function __methods__:filter(val)
for k,v in pairs(__map__) do
if v == val then
__map[k] = nil
end
end
end

local mt = {
__index = function(t, k)
if __map__[k] then
return __map__[k]
end
if __methods__[k] then
return __methods__[k]
end
end,
__newindex = function(t, k, v)
if __methods__[k] then
print('[warning] can not override native method.')
return
end
__methods__:set(k, v)
end
}
setmetatable(new_map, mt)

return new_map
end

example：

Code:

require('map)
local map = Map()
map.len = function()
end -- would fail
print(map.len()) -- 0
map:set('b','b')
print(map.b) -- b
print(map.len()) -- 1
map:unset('a')
map[1] = 'c'
print(map[1]) -- 1
map:print() -- b=b, 1=c
print(string.rep('*', 20))
local map = Map('number', 'string')
map:set(1, 's')
map:set(2, 2)
map:set(3, function() return 3 end)
map:set('4', 4)
map:print() -- [1]=s
map:setKeyType('string')
map:setValueType('number')
map:set('a', 22)
map:set(2, 'a')
map:set(1, 1)
map[3] = 3
map.a = 4
map[1] = false
map:print() -- [a]=4

--or
map=decodeFunction([==[c-pmATW:dh6h1Q@,Z)%qqC@OaNR3FUDz$h)AP{O[E_j+:Mj$n,gi2(;.x)}quOoYNdqA0Wn)zQ]^DUe(.$PSxBGmFLsyzBHaQV+6I?!jx5S6.p$y[^h(UbF#/c-?K^vCS#r@(+Ff@wAOY}Q8R?A8%[PFKRYfWJ9%se!TJYHj8((nY%?ZT8JP?4DpSdaMQYdxC[J/Uw2PN$SUvW.H2=s9Ww4Ii(Z=B%n*;/I:$.)liMhDi]?HjX*Le2RmNpuHV:QlxhT[%B^ESVWbMzyd_%*@z}PtDQBhCY6O0$@5I5vC1_UBC(HO.*kJM0T#f22^1UCT1HY/NSZ{Dp;RPaRe]#kO8W.U[c2mGNe0j*A*=da?gft.n.O8xj2k.G$:?1@x5a{/p$ovAo:fyv{HC$rstWD,X;wdl6Nd,,dork/=j5-Aj9(2]:+1V^DbXIc*zfTQyAPj6[YG]7Nsn.NHnxBho@+S85.r8f2r[5:gkNWUXYVxEYEw!BOYT-*C9D7/A81Y{b3=XZrOQM@vwc1TTN^_fmGI4LNvs{8mP#S}iEy(vtXm@s3e)#c}zzRFQ2OxW{@m96#r?0:ZbPh6a,;^d-Do^E?LSIKzZ$Qb4YnAiuONnA;g1A]U4yymHzYOUb)8bFbet/mY]oM9%!iuXgiG7Scq3ICw0p@9i(.yUhSPx;[email protected]![toH[ev*(t@XRv-S?OX=LJjVTUSJERP[shTX+xk;]-w0[ENLgm}6D?^8GyRi}P}czIY{2StfJAMCW:I.SR(PW;](O]^(e@GLvLeo4*3nDV:4RKd@7fc:DwTRz4YpOWQVD{CJLjX#Ao5Mu%A[LCaq!-Syk_DDPO1iDWc,uoDeyyp)AG=HY=,VL+!i1(XAQmj?m!{_n)HiNOwEg_$c@OceaHvKTqc)=w-41YBZg+VieorL)rV0%::%[I6[TOsG%.kZub!B3)KgVF:,iOk6mHN)im?+;(WNYakVwu5a_R^zht[nq4zrvx#W:Enl6wZ21(C]3QSwCxT_Dd)@XC}=m_i{$?yMQuN7YUDf^lf)j/M0WMwSXul,#K3GIwwk4qYvnSU9Pc$D_;aob+toOezFYLA3BJJn=Kt-gNuY?_-1?oTWBXps)0,E8zhsabP_gGEIuVO}hy^,S]yj(x4jS^{:64f[9VJ/$3WgLB26}voD^#H,U=O,C#0yL+[9M4Cn45a;tk$$LEkA!F5BwPI8+EeA?1b[3ViCWk}R1tfv[!u_L_m,=owz-zg@cPqG6bu$h@0NgsJGJ(Joa6W-suC!^fah$?w*zdk/5Ey$+Qfs7d-e}6J*@PEZaz{2a{*7Oa1HEuJZM*Yn$zB5FTX97Ngt_zPm)2o#Efg)Ci8jeZiPu(yX2Yx(R[GQWqE}x4Gds{]x1PLyeR^gLPwxUvNGibN#*u0smQGGKgfp6DZ*prcL8)3:G^^f?lznm/.G5]==])()
local map = Map()
map:set(1,{1,2})
print(map[1][1])
map:set('a',{2,3})
print(map.a[2])
map[1] = {a='1',['b']=5,c=2}
map['hi'] = {a='1',['b']=5,c=2}
print(map['hi'].a)
print(map[1].a)
print(map[1].b)

Corroder
Grandmaster Cheater Supreme

Reputation: 75

Joined: 10 Apr 2015
Posts: 1668

Posted: Fri Jun 26, 2020 12:38 am Post subject: Re: Create, append multidimentional array table lua

blankTM wrote:

HashMap: ...

Thanks for answer but that not really I am looking for.
I did on a simple way according to my project purpose

1. Create and append multi array table, example:

Code:

mytable = {}

data1 = 'corroder'
data2 = 'dumb'
data3 = 1000

mytable[1] = {data1 = data1, data2 = data2, data3 = data3}

data3 = 'dtrump'
data4 = 'politic'
data5 = 10000

mytable[#mytable+1] = {data1 = data3, data2 = data4, data3 = data4}

data6 = 'bjhonson'
data7 = 'republic'
data8 = 10

mytable[#mytable+1] = {data1 = data6, data2 = data7, data3 = data8}

2. Output my table, example

Code:

for i = 1, #mytable do
print(mytable[i].data1,mytable[i].data2,mytable[i].data3)
end

for i = 1, #mytable do
print(mytable[i].data1)
end

3. Check if elements exist on my table, example:

Code:

local key1 = 'corroder'
local key2 = 'dumb'

for i = 1, #mytable do
if mytable[i].data1 == key1 and mytable[i].data2 == key2 then
print('Data exist')
break
else
print('Data not found')
end
end

Or there is another way, using Lua metatable.

4. Here the complete code, to create multi array table, append items, save table to file, load table from file and print table contains.

Code:

do
local function exportstring( s )
s = string.format( "%q",s )
s = string.gsub( s,"\\\n","\\n" )
s = string.gsub( s,"\r","\\r" )
s = string.gsub( s,string.char(26),"\"..string.char(26)..\"" )
return s
end

function table.save( tbl,filename )
local charS,charE = " ","\n"
local file,err
if not filename then
file = { write = function( self,newstr ) self.str = self.str..newstr end, str = "" }
charS,charE = "",""
elseif filename == true or filename == 1 then
charS,charE,file = "","",io.tmpfile()
else
file,err = io.open( filename, "w" )
if err then return _,err end
end
local tables,lookup = { tbl },{ [tbl] = 1 }
file:write( "return {"..charE )
for idx,t in ipairs( tables ) do
if filename and filename ~= true and filename ~= 1 then
file:write( "-- Table: {"..idx.."}"..charE )
end
file:write( "{"..charE )
local thandled = {}
for i,v in ipairs( t ) do
thandled[i] = true
if type( v ) ~= "userdata" then
if type( v ) == "table" then
if not lookup[v] then
table.insert( tables, v )
lookup[v] = #tables
end
file:write( charS.."{"..lookup[v].."},"..charE )
elseif type( v ) == "function" then
file:write( charS.."loadstring("..exportstring(string.dump( v )).."),"..charE )
else
local value = ( type( v ) == "string" and exportstring( v ) ) or tostring( v )
file:write( charS..value..","..charE )
end
end
end
for i,v in pairs( t ) do
if (not thandled[i]) and type( v ) ~= "userdata" then
if type( i ) == "table" then
if not lookup[i] then
table.insert( tables,i )
lookup[i] = #tables
end
file:write( charS.."[{"..lookup[i].."}]=" )
else
local index = ( type( i ) == "string" and "["..exportstring( i ).."]" ) or string.format( "[%d]",i )
file:write( charS..index.."=" )
end
if type( v ) == "table" then
if not lookup[v] then
table.insert( tables,v )
lookup[v] = #tables
end
file:write( "{"..lookup[v].."},"..charE )
elseif type( v ) == "function" then
file:write( "loadstring("..exportstring(string.dump( v )).."),"..charE )
else
local value = ( type( v ) == "string" and exportstring( v ) ) or tostring( v )
file:write( value..","..charE )
end
end
end
file:write( "},"..charE )
end
file:write( "}" )
if not filename then
return file.str.."--|"
elseif filename == true or filename == 1 then
file:seek ( "set" )
return file:read( "*a" ).."--|"
else
file:close()
return 1
end
end

function table.load(sfile)
local tables, err, _
if string.sub( sfile,-3,-1 ) == "--|" then
tables,err = loadstring( sfile )
else
tables,err = loadfile( sfile )
end
if err then return _,err
end
tables = tables()
for idx = 1,#tables do
local tolinkv,tolinki = {},{}
for i,v in pairs( tables[idx] ) do
if type( v ) == "table" and tables[v[1]] then
table.insert( tolinkv,{ i,tables[v[1]] } )
end
if type( i ) == "table" and tables[i[1]] then
table.insert( tolinki,{ i,tables[i[1]] } )
end
end
for _,v in ipairs( tolinkv ) do
tables[idx][v[1]] = v[2]
end
for _,v in ipairs( tolinki ) do
tables[idx][v[2]],tables[idx][v[1]] = tables[idx][v[1]],nil
end
end
return tables[1]
end
end

function clearTable(tb)
for i, v in pairs(tb) do
tb[i] = nil
end
end

function tablelength(T)
local count = 0
for _ in pairs(T) do count = count + 1 end
return count
end

function file_check(file_name)
local file_found=io.open(file_name, "r")
if file_found==nil then
return file_found
else
io.close(file_found)
end
return file_found
end

--- Usage:
mytable = {}

data1 = 'corroder'
data2 = 'dumb'
data3 = 1000

mytable[1] = {data1 = data1, data2 = data2, data3 = data3}

data4 = 'dtrump'
data5 = 'politic'
data6 = 10000

mytable[#mytable+1] = {data1 = data4, data2 = data5, data3 = data6}

data7 = 'bjhonson'
data8 = 'republic'
data9 = 10

mytable[#mytable+1] = {data1 = data7, data2 = data8, data3 = data9}

function save2file()
player_path = TrainerOrigin or getMainForm()
table.save(mytable,player_path..'\\userdata.lua')
showMessage('Data saved')
return player_path
end

function loadTableFromfile()
player_path = TrainerOrigin or getMainForm()
if file_check('userdata.lua') == nil then
return nil
else
mytable = {}
mytable,err = table.load(player_path..'\\userdata.lua')
assert( err == nil )
a =tablelength(mytable)
print(a)
for i = 1, #mytable do
print(mytable[i].data1,mytable[i].data2,mytable[i].data3)
end

end
return player_path
end

save2file()
loadTableFromfile()

-- output:
3 -- table length
corroder dumb 1000
dtrump politic 10000
bjhonson republic 10

-- data table file contains
return {
-- Table: {1}
{
{2},
{3},
{4},
},
-- Table: {2}
{
["data3"]=1000,
["data2"]="dumb",
["data1"]="corroder",
},
-- Table: {3}
{
["data3"]=10000,
["data2"]="politic",
["data1"]="dtrump",
},
-- Table: {4}
{
["data3"]=10,
["data2"]="republic",
["data1"]="bjhonson",
},
}

_________________

Stealing Code From Stolen Code...
And Admit It.. Hmmm....Typically LOL

blankTM
Cheater

Reputation: 1

Joined: 03 May 2020
Posts: 49

Posted: Fri Jun 26, 2020 3:41 am Post subject: Re: Create, append multidimentional array table lua

A less perfect way
Can be saved as json to file

Code:

json=decodeFunction([==[c-oy/U2Ggz6,ZXwon3nqw}n]@A+A+u+l}.8lJt,Zyv)eBQkk?;ia/h%YpuOwXUk=ctan:nh/s-qJMH$D7HD7cQn]IVk$6W!nsE^rwK1/CL=u,2NYEhh01rHr?SQs_yN;Ntw7b4Lcka*+:kGh]Tz}CYJ@x,$;RVmueQDL9Iy(aRPwme:FW92{CiXvv-)5CQ,P3uw]Y-!{n%ef7zV9[^r[uDC#ipG++YtBsO=!CxBdq.U51(s4!vspAUkK4lq)Ah9y4NH6mAJ7mgcC^+)M7yp4}T{Opzq]ajpxLR._:e^?m2BCxNN,%oExR[hHPHM9LQQ18-mhWzI.w%-ztbCwB:l}$V))BSd:7]r2a*MZH#+u4:@sU+ul7]k]#/2Nh}F*ut-W^O;hbC:MtDtkvAeJxD19zvHl9ykAmiCidGiM@08K(OObOK;r?AAERx*H89Etx.]Q^o-?Tr]^KOk2oN.kP)si6Sg#[email protected]]ci[1**G]oDtdWLQFCm]Yc5-FHkX(sthew*vwn@zn*M4j)X3zMiDtdsTw7X3TSPn8OfJ9O9811*9dxwRUDuZtrTyi14#7{_NYewbkLsL!-mT6RD]k}DeE+UAA5ijyk[VOSP.yGi-Ac_VnO3r[WS5dvB_DX?Dfvy6Je?CA:aecJODb8+PnBGinyXcd/yn.}+H2BkRn.,7sg(G(S#^Pb?swMht]uA*vr0{Vc}.4x[]tfdYSp?^k}8[zoU5#Iy.OoTfJJ#($s/aFwFi{aNXdtld[;7[Dfy[9k12VdlE./(iAoh+rp?jsD8ue{1noidn)V;?E:0;^?4]8HZK0QKpU!Jr1U{Jj.ZQ%!xuS[Cw5FLzM.7Y^9JXYesZ;wpYbseEIQ-DOvZl[_T++gB,WvV2=NM^SOho6$beYRgM%wA}ZL{#gNw:S36!EL!n*FBL.}[o)l}2(]*uh*j0s(_Pk8y3(ns4*_/UoHLT8lnA0IGyu)}cS600U-B?6rJfniM%kABE[XI,=={*QSEEiAkMPd]42+/g5ZQITGs;h/hDI:VuH1v2T)+Vb%z(5ee#dNF/%%HcemXvBoeRUA=3/fOkbg%=VOK9(Jc13OOQ!cIUH(aT{Y3qA=Haoy)Xd5qOFUo*%u9:x$HQLm2C_J0W+2lm_O^Z7brNLcVEq8^bLrkXjv9SR/CegO9a^3bfMDBFI?{p%0$.%aK7]kO]_lr@VmE=sLI@3}zz9C/*$D(WPlQ/$/=.?a6.-eQbN.T4dq9Y}iF@tyZckGhM7s+Gu[ow)8EfRe-;Sh@cD,g.{=jX$4R=ggal$v_b}OS,z5#-56DOe4_*=K3@(pvIcaIXHOO9-9olf(Bo)DbkAgY$DG:}W$E1Me09#v:Bw5G8I;xA*MM{#%X4nE##l.CSIX1yamMCE%k$.q3@I8)baWxM]K+gJ8:_c/@7dD3I3).kiq${tMDV5wzm2YhLDxZL(Cb:QRQmY9kHvj]Ck^;,46AJ=aB=_qPO$dj)Z{8oZykg89_e_w0E(4:iBGMu0}j.j2UK^#]5LtmARIv#?F.-EF)BipACL#g]9;Hmz$G!4oyIgk^Yhn:tk1f!Rrl3luG8+x4f,p[lZCqLZgy{{#FK.DW5;Y#M.?9LI_846ineHw-[c^?m2LQe[QaZw5Dz5dPcXVPx(!C}5tMY]:@l;)F.MkH.7LXz%b/*5#+rfKdp2;./KS8jM#k.j#umrT7mex?91:(-fC)yqk:U4K:gzM2GqktOd]CAI2yrlmdj!}cU,5mh=r^;5jX50PNd5!k1qhV)eK}9YcOgz)EKCbEP[J8p7*pL!h,8Q2J,zCwmUizkY-l:xr5?TnfzZ2iHYdo0ABH?cl2T0iq[[}d24xO/VVLU?wh2AVgS=3c1@=ag/X?xxhB)-DvC9ULe(BiZn)z?uA,bPi2IXVm0s%;JU?U-)KJ6/G]0L}w!DbO0#^!#^5$Vr6P9k9T5y%jz1%j$v!EeC^T^g9iJI;.f/,u9doda^)d?Wllmfh==Av._u.c+L1^ub;cW9ZaTJX$aVyi7[).yDlL^7}uQedDfO]TzoFFI3!}+VN-V28Qc=AiB{-5.@%E;}8k;o!FDZGqGh*F4{^74pw^]?6ULF=Dt6U^-.6bNwEq#Bn:%Tg#$DUI[hRRNKS@1z7+2I]!n8Ziw.DgH$eMM(q:?o1:D.3v_kmu1b8(Gm.GUrXg^FK2qnrSyAANaVuv;9X?]yEOsP[-W*_8m8)P4cKAEp)ZluEDj2,Eq^J5jz(W#(Uhq_NAU*odM)G-OtGxN[?0+MSB8M-gd2laB1OQkIToURnhwd}-*^NOE2^)H1PgeLEeOdiK_Cy3+@Kq%0Hqt#W,Iq,{K/JyBH]_b,n-i?O56^zMmgs0n}:BJ#T:yHVY?@bR8IN:)F)VN$;S;iEP:PpyN*,$kP$v*lk?JyU5GTm[{6=f8chyECMRNVP/,?X,C6#g;XbnvGrxJl_dfgVJsb,_o8VGbk+koSB2j6UW8!WiRPC5xcNkXXXJ(+TA92RD{$hh)qr*}LTQ-:#TPUxjO-CXuh?e6fKPbio%1(:.;?ocA%rS1^h@JBeOO;Z[;NoSdXrqxGLSWZ-4S8)YS}/P^ML[Y{tA/-}IwIz}_gao_I@5f@N![M@W{4b*Nzz2+sF[WN7+qn72mNem}5;!S[G1Nl%{dEx;!5=zijn3q0%NwU3fB[EHkW9_FU7t7j9pDv7:jK:x]Hdhmba3/OIY+i*N0nL:%nQZ+J9_cRTim:6S$_Iw3F[aB4mN^^A6s*TxpfG);=SJ-oVPxX=qmSjCsoccC^J^K*I^*%lrJrqe4^QaEJ2#z2x?=]Gz7ns9W_#_P*7@ucxHuSdaj:zir%RPNOl5ymuhiTuAR5zSSL,dXh{%SBn/FNmgI(fEcX2+hLi3{HHj2hzyb2I/^Cdr=1p[eY+)epX.MjIBGAP!HwxWrPeHd2I-3[T(;4.@f?Sfq*BEAOQ1i4L6,!M/m6,v7]7$NqEE+52+5VwKIokocC-v3vKpv{CssrCuH2w4!}W2ccoy}ArwWqv4PUTtT-CuX?,gtz2NhG#3^S:/iwcW;i+FLoaexqdjhlW^tK61+!B+0]{sE#PVx4RJtnX;rUkae,DIf])JO/kZf4d,ij:K]nC;0!YUN1JZdDB=[niFG8DXPBMKAPI3)L_GlsT;QM{$Rt(QLwSbVuu0e-3nR#p3Fv0hLJ6c^lI5EhVjlrSV#Jfd$2NORCD(Gs0H4!O]8M^pS%PUIn)Oc)?fFy2Gpn!nv!/(6PRw^Cf^37R1a++CizY*[9;8zuo+h+*ovtxsPd1HbX^V9w_n}W)#W76LjI2_#Bu2E;r(K-/-mTy}oTgD6nj*@[EHS!hjuC{2cAI#:wIF[2Jn_$ExHXrB[;1^r63WwK1AGnh+gZxi9?MlL5UxS#Rcb(1!,6d.3NkGDBv_--5KpN5R,H^=1r-ArRBlhj!qc22P06]sxqQWM:)?fgzZ:0].cI):B!6$QN9K}v0f5qrM^AUXT=GpG!9ViQadyd0VYffuUyMl_41E6IRw2;{c:b=Dout}:Es$}1;7T1kYT^qa0IA5KupK=+hRc6A:T*1#3J6ow],fJ}jR=QbnZ1UNBbt+sWT4BMH4sA%E@Z6f1d_r6]==])()

mytable = {
{ data1 = 'someone', data2 = 'something', data3 = somenumber},
{ data1 = 'corroder', data2 = 'dumb', data3 = 1000},
{ data1 = 'someoned', data2 = 'somdething', data3 = somednumber}
}
data={data1 = 'avcxa', data2 = 'dumb', data3 = 1000}

function addTblItem(mytable,data)
for i=1,#mytable do
for key,value in pairs(mytable[i]) do
if value ~= data[key] then
if i==#mytable then
print('Data not found')
mytable[i+1]=data
else
break
end
else
if key=='data3' then
print('Data exist')
goto label
end
end
end
end
::label::
end

addTblItem(mytable,data)
print(mytable[1].data1)
e=json.encode(mytable)
print(e)
d=json.decode(e)
print(d[1].data1)

Need to optimize

Corroder
Grandmaster Cheater Supreme

Reputation: 75

Joined: 10 Apr 2015
Posts: 1668

Posted: Fri Jun 26, 2020 7:53 am Post subject:

Quote:

blankTM : A less perfect way
Can be saved as json to file

Yes, the good way also if we want to make the table as online table. Use JSON to encode/decode the script including the table.
_________________

Stealing Code From Stolen Code...
And Admit It.. Hmmm....Typically LOL

blankTM
Cheater

Reputation: 1

Joined: 03 May 2020
Posts: 49

Posted: Sat Jun 27, 2020 11:01 pm Post subject:

The perfect way

Code:

function addTblItem(mytable,data)
for i=1,#mytable do
for key,value in pairs(mytable[i]) do
if value ~= data[key] then
if i==#mytable then
print('Data not found')
mytable[i+1]=data
else
goto label
end
end
end
print('Data exist')
break
::label::
end
end

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