mirror of
https://github.com/LuaJIT/LuaJIT.git
synced 2025-02-08 15:34:09 +00:00
229 lines
6.7 KiB
Lua
229 lines
6.7 KiB
Lua
-- To run this file use luajit binary as below
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-- ./luajit test.lua
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print("*********Addition*******")
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print("a=20;b=10;c=a+b;print(c)")
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a=20
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b=10
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c=a+b
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print(c)
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print("***************")
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print("************* Loops ***************")
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print("for i=1,10 do print(i) end")
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for i=1,10 do print(i) end
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print("for i=10,1,-1 do print(i) end")
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for i=10,1,-1 do print(i) end
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print("************* While Loop ********")
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print("x=10;i=1;while i<x do ; x=i*2 ; print(x); i=i+1;end")
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x=10
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i=1
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while i<x do
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x=i*2
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print(x)
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i=i+1
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end
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print("***************")
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print("************ Tables ***********")
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print("days = {'sun','mon'};print(days[1]);print(days[2])")
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days = { "sun" , "Mon"};
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print(days[1])
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print(days[2])
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print("revDays = {['Sunday']=1,['Monday']=2};x='Monday'")
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revDays = {["Sunday"] = 1, ["Monday"] = 2,}
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x="Monday"
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print(x)
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print(revDays[x])
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print("Equating 2 tables")
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print("a={};a.x=1;a.y=0;b={};b.x=1;b.y=0;c=a")
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a = {}; a.x = 1; a.y = 0
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b = {}; b.x = 1; b.y = 0
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c = a
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print(" i=10 ; j='10';k='+10' ; a ={} ; a[i] = 'one value' ; a[j] = 'another value' ; a[k]='yet another value'")
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print("print(a[j];print(a[k];print(a[tonumber(j)];print(a[tonumber(k)]")
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i = 10; j = "10"; k = "+10"
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a = {}
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a[i] = "one value"
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a[j] = "another value"
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a[k] = "yet another value"
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print(a[j]) --> another value
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print(a[k]) --> yet another value
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print(a[tonumber(j)]) --> one value
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print(a[tonumber(k)]) --> one value
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print("***************")
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print("**********Ipairs****")
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print("a = {1,2,3,4,5,6} for i , line in ipairs(a) do print(line) end")
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a = {1,2,3,4,5,6}
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for i , line in ipairs(a) do print(line) end
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print("***************")
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print("****************Numbers *******************")
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print("a=1.000000;a=1.01;a=4.57e-3")
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a= 1.00000000
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print(a)
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a=1.01
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print(a)
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a=4.57e-3
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print(a)
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print("***************")
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print("********************* Strings *******************")
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print("a='one string';b=string.gsub(a,'one','another');print(b);print(a)")
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a = "one string"
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b = string.gsub(a, "one", "another")
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print(b)
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print(a)
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print("a=10;b=tostring(a);print(b)")
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a=10
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b=tostring(a)
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print(b)
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print("***************")
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print("*******Escape characters********")
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print("one line\nnext line\n\"in quotes\", 'in quotes'")
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print('a backslash inside quotes: \'\\\'')
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print("a simpler way: '\\'")
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print("***************")
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print("************** Input - ouput ***************")
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print("Please enter a valid integer")
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line = io.read()
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n = tonumber(line)
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if n == nil then error("line .. is not a valid number") else print(n*2) end
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print("************************************************")
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print("********************* Logical Operators********************")
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print("4 and 5 ; nil and 13 ; false and 13 ; 4 or 5 ; false or 5")
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print(4 and 5)
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print(nil and 13)
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print(false and 13)
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print(4 or 5)
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print(false or 5)
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print("not nil ; not false ; not 0 ; not not nil")
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print(not nil)
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print(not false)
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print(not 0)
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print(not not nil)
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print("********************************************")
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print("**********Functions*****************")
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print("function twice(x) return 2*x end")
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function twice(x)
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return 2*x
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end
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b=twice(3)
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print(b)
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print("************Switch case *************")
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function switch(operator)
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local op = operator;
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a = 20 ; b= 10
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if op == "+"
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then
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c=a+b
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print("Add Result",c)
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elseif op == "-"
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then
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c=a-b
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print("Sub Result",c)
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elseif op == "*"
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then
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c=a*b
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print("Mul Result",c)
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elseif op == "/"
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then
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c=a/b
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print("Div Result",c)
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else
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error(" Invalid operator")
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end
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end
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switch("+")
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print("********************************************")
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print("****************Math Functions *******")
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radianVal = math.rad(math.pi / 2)
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io.write("RadianVal=" , radianVal,"\n")
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io.write("Sin Value=",string.format("%.1f ", math.sin(radianVal)),"\n")
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io.write("Cosine Value=",string.format("%.1f ", math.cos(radianVal)),"\n")
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io.write("Tan Value=",string.format("%.1f ", math.tan(radianVal)),"\n")
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io.write("Cosh Value=",string.format("%.1f ", math.cosh(radianVal)),"\n")
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io.write("Math.deg",math.deg(math.pi),"\n")
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io.write("Floor of 10.5055 is ", math.floor(10.5055),"\n")
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io.write("Ceil of 10.5055 is ", math.ceil(10.5055),"\n")
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io.write("Square root of 16 is ",math.sqrt(16),"\n")
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--io.write("10 power 2 is ",math.pow(10,2),"\n")
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--io.write("100 power 0.5 is ",math.pow(100,0.5),"\n")
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io.write("Absolute value of -10 is ",math.abs(-10),"\n")
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math.randomseed(os.time())
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io.write("Random number between 1 and 100 is ",math.random(),"\n")
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io.write("Random number between 1 and 100 is ",math.random(1,100),"\n")
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--io.write("Maximum in the input array is ",math.max(1,100,101,99,999),"\n")
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--io.write("Minimum in the input array is ",math.min(1,100,101,99,999),"\n")
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print("********************************************")
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print("****************OS Functions *******")
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io.write("The date is ", os.date("%m/%d/%Y"),"\n")
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io.write("The date and time is ", os.date(),"\n")
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io.write("The OS time is ", os.time(),"\n")
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io.write("Lua started before ", os.clock(),"\n")
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print("********************************************")
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print("****************String Processing Functions *******")
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string1 = "Lua";
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print("String Upper",string.upper(string1))
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print("String Lower",string.lower(string1))
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string = "Lua Tutorial"
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print("String Indices",string.find(string,"Tutorial"))
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print("String Reverse",string.reverse(string))
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string1 = "Lua"
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string2 = "Tutorial"
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number1 = 10
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number2 = 20
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print(string.format("Basic formatting %s %s",string1,string2))
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date = 2; month = 1; year = 2014
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print(string.format("Date formatting %02d/%02d/%03d", date, month, year))
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print("String to ASCII",string.byte("Lua"))
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print("ASCII for 3 character in word",string.byte("Lua",3))
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print("ASCII for 1 character from last in word",string.byte("Lua",-1))
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print("ASCII for 2 character in word",string.byte("Lua",2))
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print("ASCII for 2 character from last in word",string.byte("Lua",-2))
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print("ASCII Value to string",string.char(97))
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string1 = "Lua"
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string2 = "Tutorial"
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print("Concatenated string",string1..string2)
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print("Length of string1 is ",string.len(string1))
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print("Repeated String",string.rep(string1,3))
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print("********************************************")
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print("****************OS Functions *******")
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fruits = {"banana","orange","apple"}
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print("Table contents are ")
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for key,value in ipairs(fruits) do print(value) end
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print("Concatenated string ",table.concat(fruits))
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print("Concatenated string ",table.concat(fruits,", "))
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print("Concatenated string ",table.concat(fruits,", ", 2,3))
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print("Inserting new fruit Mango")
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table.insert(fruits,"mango")
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for key,value in ipairs(fruits) do print(value) end
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print("Concatenated string ",table.concat(fruits,", "))
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print("The maximum elements in table is",table.maxn(fruits))
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print("The maximum elements in table is",table.remove(fruits))
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fruits = {"banana","orange","apple","grapes"}
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print("The maximum elements in table is",table.sort(fruits))
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print("********************************************")
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