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# Get a low-quality random number between two integers. Depending on the awk
# implementation, if you don't provide a third argument (a seed), you might get
# very predictable random numbers based on the current epoch second.
BEGIN {
# Seed with the third argument if given
if (ARGV[3])
srand(ARGV[3])
# If not, just seed with what is probably a date/time-derived value
else
srand()
# Print a random integer bounded by the first and second arguments
print int(ARGV[1] + rand() * (ARGV[2] - ARGV[1] + 1))
# Bail before processing any lines
exit
}
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