1199282Sjilles# $FreeBSD$
2199282Sjilles
3199282Sjillesnl='
4199282Sjilles'
5199282Sjilleslist=' a b c'
6199282Sjillesfor s1 in "$nl" " "; do
7200193Sjilles	for s2 in "$nl" ";" ";$nl"; do
8199282Sjilles		for s3 in "$nl" " "; do
9199282Sjilles			r=''
10199282Sjilles			eval "for i${s1}in ${list}${s2}do${s3}r=\"\$r \$i\"; done"
11199282Sjilles			[ "$r" = "$list" ] || exit 1
12199282Sjilles		done
13199282Sjilles	done
14199282Sjillesdone
15199282Sjillesset -- $list
16218889Sjillesfor s2 in "$nl" " "; do
17199282Sjilles	for s3 in "$nl" " "; do
18199282Sjilles		r=''
19199282Sjilles		eval "for i${s2}do${s3}r=\"\$r \$i\"; done"
20199282Sjilles		[ "$r" = "$list" ] || exit 1
21199282Sjilles	done
22199282Sjillesdone
23199282Sjillesfor s1 in "$nl" " "; do
24200193Sjilles	for s2 in "$nl" ";" ";$nl"; do
25199282Sjilles		for s3 in "$nl" " "; do
26199282Sjilles			eval "for i${s1}in${s2}do${s3}exit 1; done"
27199282Sjilles		done
28199282Sjilles	done
29199282Sjillesdone
30