#!/bin/sh

for ((nl = 1; nl < 1001; ++nl)); do
	one=$((RANDOM % 1001))
	two=$((RANDOM % 41 - 20))
	#three=$(echo "scale=3; $((SRANDOM % 100001)) / 1000" | bc -l)
	R=$((SRANDOM % 100001))
	three=$(echo "$R" | awk '{printf "%.3f", $1/1000}')
	echo -e "$nl\t$one\t$two\t$three"
done