Have I been missing this obviously simple module all this time, and if so, what is it called? (If not, then watch this space for a new module announcement.)

Oops, sorry. I skipped over the "watch this space" part when I read this thread, and went off to write the module (since I've wanted this many times too.) It's now uploaded to CPAN as IPC::Run::Simple. If you want to take it over, let me know.

The module currently allows either:

  use IPC::Run::Simple;
  run("some", "command")
    or die "command failed";

  # better done as
  use IPC::Run::Simple qw(:all);
  run("some", "command")
    or die "badness! $ERR";
[download]

which is what I normally want, or:

  use IPC::Run::Simple qw(:Fatal);
  my $exit_value = run(command => [ "some", "command" ],
                       allowed => [ 0, 1, 5 ]);
[download]

for what you want. Or, even closer to what you said:

  use IPC::Run::Simple qw(:Fatal);
  my $exit_value = run(command => "some_command",
                       allowed => [ 0, 1, 5 ]);
[download]

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