#!/bin/bash
if [[ $# -lt 1 ]]
then
	echo "Usage: $0 <positive-int>"
	exit
fi
	if [[ $1 -lt 0 ]]
	then 
		echo "Argument must be positive!"
		exit
	fi
		for ((i=1;i<=$1;i++))
		do
			echo $i
		done
		exit