phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

examples/password_generator.hako

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+// Password Generator in Nyash
+// Using RandomBox for secure password generation
+
+print("=== Nyash Password Generator ===")
+print("")
+
+// Initialize random generator
+rand = new RandomBox()
+print("Random generator ready!")
+
+// Create character arrays
+lowercase = new ArrayBox()
+lowercase.push("a")
+lowercase.push("b")
+lowercase.push("c")
+lowercase.push("d")
+lowercase.push("e")
+lowercase.push("f")
+lowercase.push("g")
+lowercase.push("h")
+lowercase.push("i")
+lowercase.push("j")
+lowercase.push("k")
+lowercase.push("l")
+lowercase.push("m")
+lowercase.push("n")
+lowercase.push("o")
+lowercase.push("p")
+lowercase.push("q")
+lowercase.push("r")
+lowercase.push("s")
+lowercase.push("t")
+lowercase.push("u")
+lowercase.push("v")
+lowercase.push("w")
+lowercase.push("x")
+lowercase.push("y")
+lowercase.push("z")
+
+uppercase = new ArrayBox()
+uppercase.push("A")
+uppercase.push("B")
+uppercase.push("C")
+uppercase.push("D")
+uppercase.push("E")
+uppercase.push("F")
+uppercase.push("G")
+uppercase.push("H")
+uppercase.push("I")
+uppercase.push("J")
+uppercase.push("K")
+uppercase.push("L")
+uppercase.push("M")
+uppercase.push("N")
+uppercase.push("O")
+uppercase.push("P")
+uppercase.push("Q")
+uppercase.push("R")
+uppercase.push("S")
+uppercase.push("T")
+uppercase.push("U")
+uppercase.push("V")
+uppercase.push("W")
+uppercase.push("X")
+uppercase.push("Y")
+uppercase.push("Z")
+
+numbers = new ArrayBox()
+numbers.push("0")
+numbers.push("1")
+numbers.push("2")
+numbers.push("3")
+numbers.push("4")
+numbers.push("5")
+numbers.push("6")
+numbers.push("7")
+numbers.push("8")
+numbers.push("9")
+
+symbols = new ArrayBox()
+symbols.push("!")
+symbols.push("@")
+symbols.push("#")
+symbols.push("$")
+symbols.push("%")
+symbols.push("&")
+symbols.push("*")
+symbols.push("-")
+symbols.push("_")
+symbols.push("=")
+symbols.push("+")
+
+print("Character sets loaded!")
+print("Lowercase: " + lowercase.length() + " chars")
+print("Uppercase: " + uppercase.length() + " chars") 
+print("Numbers: " + numbers.length() + " chars")
+print("Symbols: " + symbols.length() + " chars")
+print("")
+
+// Combine all characters
+allChars = new ArrayBox()
+
+// Add lowercase
+i = 0
+loop {
+    if i >= lowercase.length() {
+        break
+    }
+    char = lowercase.get(i)
+    allChars.push(char)
+    i = i + 1
+}
+
+// Add uppercase
+i = 0
+loop {
+    if i >= uppercase.length() {
+        break
+    }
+    char = uppercase.get(i)
+    allChars.push(char)
+    i = i + 1
+}
+
+// Add numbers
+i = 0
+loop {
+    if i >= numbers.length() {
+        break
+    }
+    char = numbers.get(i)
+    allChars.push(char)
+    i = i + 1
+}
+
+// Add symbols
+i = 0
+loop {
+    if i >= symbols.length() {
+        break
+    }
+    char = symbols.get(i)
+    allChars.push(char)
+    i = i + 1
+}
+
+print("Total character pool: " + allChars.length() + " characters")
+print("")
+
+// Generate passwords of different lengths
+print("=== Generating Passwords ===")
+print("")
+
+// 8 character password
+print("8-character password:")
+password8 = ""
+i = 0
+loop {
+    if i >= 8 {
+        break
+    }
+    randomChar = rand.choice(allChars)
+    password8 = password8 + randomChar
+    i = i + 1
+}
+print(password8)
+print("")
+
+// 12 character password
+print("12-character password:")
+password12 = ""
+i = 0
+loop {
+    if i >= 12 {
+        break
+    }
+    randomChar = rand.choice(allChars)
+    password12 = password12 + randomChar
+    i = i + 1
+}
+print(password12)
+print("")
+
+// 16 character password
+print("16-character password:")
+password16 = ""
+i = 0
+loop {
+    if i >= 16 {
+        break
+    }
+    randomChar = rand.choice(allChars)
+    password16 = password16 + randomChar
+    i = i + 1
+}
+print(password16)
+print("")
+
+// Generate PIN codes
+print("=== PIN Codes ===")
+pin4 = rand.randInt(1000, 9999)
+pin6 = rand.randInt(100000, 999999)
+print("4-digit PIN: " + pin4)
+print("6-digit PIN: " + pin6)
+print("")
+
+// Memorable password (letters + numbers)
+print("=== Memorable Style ===")
+word1 = rand.choice(lowercase)
+word2 = rand.choice(lowercase)
+word3 = rand.choice(lowercase)
+word4 = rand.choice(lowercase)
+num1 = rand.choice(numbers)
+num2 = rand.choice(numbers)
+symbol1 = rand.choice(symbols)
+memorable = word1 + word2 + word3 + word4 + num1 + num2 + symbol1
+print("Memorable pattern: " + memorable)
+print("")
+
+// Random string using built-in method
+print("=== Using randString method ===")
+random5 = rand.randString(5)
+random10 = rand.randString(10)
+random15 = rand.randString(15)
+print("5 chars: " + random5)
+print("10 chars: " + random10)
+print("15 chars: " + random15)
+print("")
+
+print("=== Security Info ===")
+print("Character pool size: " + allChars.length())
+print("Longer passwords = exponentially more secure!")
+print("Always use different passwords for different accounts!")
+print("")
+print("Password generation complete!")