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  1. or download this
    my $path = $ARGV[0];
open my $fh, "-|", "$path 2>&1" or die "can't open $path: $!"; 

print ": $_" for <$fh>; # print line by line
close $fh;
  2. or download this
    my $x= `$path 2>&1`;
print "<<< $x >>>";    # print whole slurp