Ruby

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. Ruby

require 'chilkat'

success = false

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

success = false

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