On Fri, Sep 14, 2018 at 5:08 PM Parrot Raiser <1parr...@gmail.com> wrote: > > This is probably going to be a forehead-slapper, but I can't find a > reference in either perlintro.com or http://docs.perl6.org/ > (5to6-perlfunc or top-down) for the equivalents of $? and $! in > P6.What are they? > > I want to be able to "run" or "shell" programs, then examine return > codes and errors. (The immediate case is to see if a program name is > already in use by running "which $progname". )
my $proc = run <echo Hello World>, :out, :!in; say $proc.out.slurp; say $proc.exitcode;
