From a78b14f8315d86b13ff9271659e84b2043f6bdc4 Mon Sep 17 00:00:00 2001
From: Kamil Kaminski <kamilkss@gmail.com>
Date: Sun, 11 Dec 2011 03:33:38 -0600
Subject: initial commit

---
 conversions.lua |  7 +++++++
 file.lua        | 10 ++++++++++
 function.lua    | 24 ++++++++++++++++++++++++
 hello.lua       |  1 +
 iter.lua        | 11 +++++++++++
 m.lua           | 11 +++++++++++
 module.lua      |  9 +++++++++
 scope.lua       | 20 ++++++++++++++++++++
 scrap.lua       |  4 ++++
 table.lua       | 20 ++++++++++++++++++++
 10 files changed, 117 insertions(+)
 create mode 100644 conversions.lua
 create mode 100644 file.lua
 create mode 100644 function.lua
 create mode 100644 hello.lua
 create mode 100644 iter.lua
 create mode 100644 m.lua
 create mode 100644 module.lua
 create mode 100644 scope.lua
 create mode 100644 scrap.lua
 create mode 100644 table.lua

diff --git a/conversions.lua b/conversions.lua
new file mode 100644
index 0000000..04a3d70
--- /dev/null
+++ b/conversions.lua
@@ -0,0 +1,7 @@
+-- conversions --
+
+c = 0xdeadbeef
+h = tonumber(c)
+
+print(h)
+
diff --git a/file.lua b/file.lua
new file mode 100644
index 0000000..6e55b3f
--- /dev/null
+++ b/file.lua
@@ -0,0 +1,10 @@
+-- writing to a file --
+fd = io.open("my.txt", "a")
+io.output(fd)
+io.write("a hello message from Lua, bro!\n")
+io.close()
+
+for line in io.lines("my.txt") do
+    print(line)
+end
+
diff --git a/function.lua b/function.lua
new file mode 100644
index 0000000..e46da78
--- /dev/null
+++ b/function.lua
@@ -0,0 +1,24 @@
+-- simple function --
+function checkAge(t)
+    if ((t.age and "he entered valid age") == nil) then
+        print("no age")
+    else
+        print("he entered his age")
+    end
+end
+
+function printDict(t, flag)
+    for k, v in pairs(t) do
+        if (flag ~= nil) then
+            print(k)
+        else
+            print(k, v)
+        end
+    end
+end
+
+t1 = { name = "Kyle", ["age"] = 22, ["my status"] = "amused" }
+print("checking age... ")
+checkAge(t1)
+printDict(t1, nil)
+
diff --git a/hello.lua b/hello.lua
new file mode 100644
index 0000000..50de868
--- /dev/null
+++ b/hello.lua
@@ -0,0 +1 @@
+print("Hello " .. ",world")
\ No newline at end of file
diff --git a/iter.lua b/iter.lua
new file mode 100644
index 0000000..8a3bd01
--- /dev/null
+++ b/iter.lua
@@ -0,0 +1,11 @@
+function square(state, n)
+    if n < state then
+        n = n + 1
+        return n, n * n
+    end
+end
+
+for i, n in square,42,0 do
+    print(i, n)
+end
+
diff --git a/m.lua b/m.lua
new file mode 100644
index 0000000..3a04e81
--- /dev/null
+++ b/m.lua
@@ -0,0 +1,11 @@
+module(..., package.seeall);
+
+function printDict(t)
+    if not (t) then
+        return
+    end
+    for k, v in pairs(t) do
+            print(k, v)
+    end
+end
+
diff --git a/module.lua b/module.lua
new file mode 100644
index 0000000..c18bb3c
--- /dev/null
+++ b/module.lua
@@ -0,0 +1,9 @@
+-- module? --
+
+require "m"
+t = { name = "Ron Paul", origin = "Texas", title = "President"}
+m.printDict(t)
+
+-- don't know the parameter of getfenv --
+print(m.printDict(getfenv(1)))
+
diff --git a/scope.lua b/scope.lua
new file mode 100644
index 0000000..eecd804
--- /dev/null
+++ b/scope.lua
@@ -0,0 +1,20 @@
+-- scope --
+
+do
+    -- variable y not in global scope anymore --
+    local y = 21
+end
+
+function foo()
+    -- on the first foo call, the x below will be defined globally --
+    -- oy oy oy ooooooy --
+    x = 13;
+
+    -- y is not seen here --
+    print(y)
+end
+
+print(x) -- no x defined --
+foo()
+print(x) -- x defined after call to foo --
+
diff --git a/scrap.lua b/scrap.lua
new file mode 100644
index 0000000..1eb6846
--- /dev/null
+++ b/scrap.lua
@@ -0,0 +1,4 @@
+-- scrap --
+t = { apple = "green", orange = "orange", banana = "yellow", strawberry = "red" }
+table.foreach(t, print)
+
diff --git a/table.lua b/table.lua
new file mode 100644
index 0000000..d3ef7ba
--- /dev/null
+++ b/table.lua
@@ -0,0 +1,20 @@
+-- print array of values --
+t0 = { 1,3,7,12,13,21,33,42 }
+t0["oops"] = "what will happen" -- nothing --
+for i in ipairs(t0) do
+    print(t0[i])
+end
+
+-- print t0 array backwards --
+-- the for loop, initialization, condition, step --
+for i = #t0, 1, -1 do
+    print(t0[i])
+end
+
+-- print array of string where a key is of type string (dictionary) --
+t1 = { name = "Kyle", ["age"] = 22, ["my status"] = "amused" }
+
+for k, v in pairs(t1) do
+    print(k,v)
+end
+
-- 
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