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Re: $? and $! equivalents

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Parrot Raiser
September 15, 2018 16:00
Re: $? and $! equivalents
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OK, different paradigm, different methods.


Another couple of entries for the "differences" list? Even a note the
thing doesn't exist saves fruitless further searching.

On 9/14/18, Brad Gilbert <> wrote:
> On Fri, Sep 14, 2018 at 5:08 PM Parrot Raiser <> wrote:
>> This is probably going to be a forehead-slapper, but I can't find a
>> reference in either or
>> (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;

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