Testing mksh for conformance:
# $MirOS: src/bin/mksh/check.t,v 1.534 2012/04/27 16:16:21 tg Exp $
	@(#)MIRBSD KSH R40 2012/04/27
This shell is actually:
	@(#)MIRBSD KSH R40 2012/04/27
test.sh built for mksh R40 2012/04/27
Trying Perl interpreter 'perl5'...
./test.sh[65]: perl5: not found
Errorlevel 127, running on ''
=> not using
Trying Perl interpreter 'perl'...
Errorlevel 0, running on 'pw32, Perl version 5.00503'
=> using it
check.pl: couldn't get current working directory