# $FreeBSD: head/tools/regression/bin/sh/expansion/ifs2.0 211341 2010-08-15 17:14:05Z jilles $ failures=0 i=1 set -f while [ "$i" -le 127 ]; do # A different byte still in the range 1..127. i2=$((i^2+(i==2))) # Add a character to work around command substitution's removal of # final newlines, then remove it again. c=$(printf \\"$(printf %o@ "$i")") c=${c%@} c2=$(printf \\"$(printf %o@ "$i2")") c2=${c2%@} IFS=$c set -- $c2$c$c2$c$c2 if [ "$#" -ne 3 ] || [ "$1" != "$c2" ] || [ "$2" != "$c2" ] || [ "$3" != "$c2" ]; then echo "Bad results for separator $i (word $i2)" >&2 : $((failures += 1)) fi i=$((i+1)) done exit $((failures > 0))