1# $FreeBSD: head/bin/sh/tests/builtins/echo2.0 305305 2016-09-02 21:13:46Z jilles $ 2 3# Not specified by POSIX. 4 5a=`echo -e '\a\b\e\f\n\r\t\v\\\\\0041\c'; echo .` 6b=`printf '\a\b\033\f\n\r\t\v\\\\!.'` 7[ "$a" = "$b" ] 8