Tcl

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. Tcl

load ./chilkat.dll

set success 0

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

set success 0

set fortuna [new_CkPrng]

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

puts "-- only lowercase alpha (a-z)"
for {set i 1} {$i <= 10} {incr i} {
    # Generate 20-character strings.
    puts [CkPrng_randomString $fortuna 20 $bDigits $bLowercase $bUppercase]
}

# Allow both lowercase and uppercase alpha chars
set bUppercase 1
puts "-- lower and uppercase alpha (a-zA-Z)"
for {set i 1} {$i <= 10} {incr i} {
    # Generate 20-character strings.
    puts [CkPrng_randomString $fortuna 20 $bDigits $bLowercase $bUppercase]
}

# Allow digits (0-9)
set bDigits 1
puts "-- digits and lower/uppercase alpha (0-9a-zA-Z)"
for {set i 1} {$i <= 10} {incr i} {
    # Generate 20-character strings.
    puts [CkPrng_randomString $fortuna 20 $bDigits $bLowercase $bUppercase]
}

# Allow only digits (0-9)
set bUppercase 0
set bLowercase 0
puts "-- only digits (0-9)"
for {set i 1} {$i <= 10} {incr i} {
    # Generate 20-character strings.
    puts [CkPrng_randomString $fortuna 20 $bDigits $bLowercase $bUppercase]
}

delete_CkPrng $fortuna