Sample code for 30+ languages & platforms
Perl

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings.

Chilkat Perl Downloads

Perl
use chilkat();

$success = 0;

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

$success = 0;

$fortuna = chilkat::CkPrng->new();

# Generate random strings having only lowercase chars (a-z)
# Disallow digits and uppercase and only allow lowercase
$bDigits = 0;
$bUppercase = 0;
$bLowercase = 1;

print "-- only lowercase alpha (a-z)" . "\r\n";
for ($i = 1; $i <= 10; $i++) {
    # Generate 20-character strings.
    print $fortuna->randomString(20,$bDigits,$bLowercase,$bUppercase) . "\r\n";
}

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

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

# Allow only digits (0-9)
$bUppercase = 0;
$bLowercase = 0;
print "-- only digits (0-9)" . "\r\n";
for ($i = 1; $i <= 10; $i++) {
    # Generate 20-character strings.
    print $fortuna->randomString(20,$bDigits,$bLowercase,$bUppercase) . "\r\n";
}