sh/expansion/redir1.0

# $FreeBSD: head/bin/sh/tests/expansion/redir1.0 273920 2014-10-31 22:28:10Z jilles $

bad=0
for i in 0 1 2 3; do
          for j in 0 1 2 3 4 5 6 7; do
                    for k in 0 1 2 3 4 5 6 7; do
                              case $i$j$k in
                              000) continue ;;
                              esac
                              set -- "$(printf \\$i$j$k@)"
                              set -- "${1%@}"
                              ff=
                              for f in /dev/null /dev/zero /; do
                                        if [ -e "$f" ] && [ ! -e "$f$1" ]; then
                                                  ff=$f
                                        fi
                              done
                              [ -n "$ff" ] || continue
                              if { true <$ff$1; } 2>/dev/null; then
                                        echo "Bad: $i$j$k ($ff)" >&2
                                        : $((bad += 1))
                              fi
                    done
          done
done
exit $((bad ? 2 : 0))