(Ruby) Generating Random ASCII Strings

Demonstrates how to generate random us-ascii strings.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# All Chilkat classes can be unlocked at once at the beginning of a program
# by calling UnlockBundle.  It requires a Bundle unlock code.
chilkatGlob = Chilkat::CkGlobal.new()
success = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (success != true)
    print chilkatGlob.lastErrorText() + "\n";
    exit
end

fortuna = Chilkat::CkPrng.new()

# Generate random strings having only lowercase chars (a-z)
# Disallow digits and uppercase and only allow lowercase
bDigits = false
bUppercase = false
bLowercase = true

print "-- only lowercase alpha (a-z)" + "\n";
for i in 1 .. 10
    # Generate 20-character strings.
    print fortuna.randomString(20,bDigits,bLowercase,bUppercase) + "\n";
end

# Allow both lowercase and uppercase alpha chars
bUppercase = true
print "-- lower and uppercase alpha (a-zA-Z)" + "\n";
for i in 1 .. 10
    # Generate 20-character strings.
    print fortuna.randomString(20,bDigits,bLowercase,bUppercase) + "\n";
end

# Allow digits (0-9)
bDigits = true
print "-- digits and lower/uppercase alpha (0-9a-zA-Z)" + "\n";
for i in 1 .. 10
    # Generate 20-character strings.
    print fortuna.randomString(20,bDigits,bLowercase,bUppercase) + "\n";
end

# Allow only digits (0-9)
bUppercase = false
bLowercase = false
print "-- only digits (0-9)" + "\n";
for i in 1 .. 10
    # Generate 20-character strings.
    print fortuna.randomString(20,bDigits,bLowercase,bUppercase) + "\n";
end