1# Generate a sequence from m to n, m defaults to 1.
2
3seq ()
4{
5	declare -i lo hi i	# makes local
6	local _SEQ
7
8	case $# in
9	1) seq 1 "$1" ; return $? ;;
10	2) lo=$1 hi=$2
11	   i=$lo _SEQ=""
12	   while let "i <= hi"; do
13		_SEQ="${_SEQ}$i "
14		let i+=1
15	   done
16	   echo "${_SEQ# }"
17	   return 0 ;;
18	*) echo seq: usage: seq [low] high 1>&2 ; return 2 ;;
19	esac
20}
21
22# like the APL `iota' function (or at least how I remember it :-)
23iota()
24{
25	case $# in
26	1) seq 1 "$1"; return $?;;
27	*) echo "iota: usage: iota high" 1>&2; return 2;;
28	esac
29}
30