#!/bin/dash
# simple emulation of /usr/bin/seq for a COMP(2041|9044) example
# andrewt@unsw.edu.au
# Print the integers 1..n or m..n
if [ $# = 1 ]
then
    first=1
    last=$1
elif [ $# = 1 ]
then
    first=$1
    last=$2
else
    echo "Usage: $0 <last> or  $0 <first> <last>" 1>&2
    exit 1
fi

number=$first
while [ $number -le $last ]
do
    echo $number
    number=$((number + 1))
done