1# $FreeBSD$ 2 3v=abcd 4[ "${#v}" = 4 ] || echo '${#v} wrong' 5v=$$ 6[ "${#$}" = "${#v}" ] || echo '${#$} wrong' 7[ "${#!}" = 0 ] || echo '${#!} wrong' 8set -- 01 2 3 4 5 6 7 8 9 10 11 12 0013 9[ "${#1}" = 2 ] || echo '${#1} wrong' 10[ "${#13}" = 4 ] || echo '${#13} wrong' 11v=$0 12[ "${#0}" = "${#v}" ] || echo '${#0} wrong' 13