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#!/opt/bin/perl |
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=head1 NAME |
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aemp - AnyEvent:MP utility |
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=head1 SYNOPSIS |
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aemp command args... |
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# protocol commands |
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aemp snd <port> <arg...> # send a message |
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aemp mon <port> # wait till port is killed |
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aemp rpc <port> <arg...> # send message, append reply |
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# run a node |
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aemp run initialise_args... # run a node |
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# node configuration: protocol endpoints |
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aemp setnoderef <noderef> # configure the real noderef |
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aemp clrnoderef # reset noderef to default |
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# node configuration: secret |
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aemp gensecret # generate a random shared secret |
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aemp setsecret <secret> # set the shared secret |
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aemp clrsecret # remove the secret |
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# node configuration: TLS |
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aemp setcert <file> # set a certificate (key.pem + certificate.pem) |
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aemp clrcert # remove certificate |
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aemp gencert # generate a random certificate |
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# node configuration: seed nodes for bootstrapping |
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aemp setseeds <noderef>... # set seednodes |
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aemp addseed <noderef> # add a seednode |
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aemp delseed <noderef> # remove seednode |
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# node configuration: services |
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aemp setservices initfunc... # set service functions |
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aemp addservice <initfunc> # add an instance of a service |
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aemp delservice <initfunc> # delete one instance of a service |
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=head1 DESCRIPTION |
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With aemp you can configure various aspects of AnyEvent::MP and its |
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protocol. |
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You can also start a "default node", a node that only depends on the |
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static configuration. |
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=cut |
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use common::sense; |
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BEGIN { |
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if ($ARGV[0] eq "run") { |
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shift; |
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#TODO: watchdog? how? |
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#require AnyEvent::Watchdog; |
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require AnyEvent; |
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require AnyEvent::MP; |
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AnyEvent::MP::initialise_node (@ARGV); |
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AnyEvent::detect () eq "AnyEvent::Impl::E" |
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? EV::loop () |
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: AE::cv ()->recv; |
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} |
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} |
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use Carp (); |
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use AnyEvent; |
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use AnyEvent::Util; |
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use AnyEvent::MP; |
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use AnyEvent::MP::Config; |
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sub my_run_cmd { |
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my ($cmd) = @_; |
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my $cv = &run_cmd; |
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my $status = $cv->recv; |
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$status |
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and die "@$cmd: command failed with exit status $status."; |
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} |
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sub gen_cert { |
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my_run_cmd [qw(openssl req |
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-new -nodes -x509 -days 3650 |
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-newkey rsa:2048 -keyout /dev/fd/3 |
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-batch -subj /CN=AnyEvent::MP |
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)], |
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"<", "/dev/null", |
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">" , \my $cert, |
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"3>", \my $key, |
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"2>", "/dev/null"; |
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"$cert$key" |
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} |
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our $cfg = \%AnyEvent::MP::Config::CFG; |
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our $profile = $cfg; |
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sub resolve_port { |
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my ($node, $port) = split /#/, $_[0], 2; |
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$node = (resolve_node $node)->recv; |
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"$node#$port" |
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} |
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our %CMD = ( |
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snd => sub { |
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my $port = resolve_port shift @ARGV; |
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initialise_node "slave/", node_of $port; |
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snd $port, @ARGV; @ARGV = (); |
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my $cv = AE::cv; |
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my $to = AE::timer 5, 0, sub { $cv->("timeout") }; |
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mon $port, $cv; |
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my $reply = port { &$cv; 1 }; |
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snd node_of $port, relay => $reply, "ok"; |
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print join " ", $cv->recv, "\n"; |
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}, |
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rpc => sub { |
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my $port = resolve_port shift @ARGV; |
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initialise_node "slave/", node_of $port; |
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my $cv = AE::cv; |
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my $to = AE::timer 5, 0, sub { $cv->("timeout") }; |
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my $reply = port { &$cv; 1 }; |
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snd $port, @ARGV, $reply; @ARGV = (); |
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mon $port, $cv; |
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print join " ", $cv->recv, "\n"; |
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}, |
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mon => sub { |
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my $port = resolve_port shift @ARGV; |
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initialise_node "slave/", node_of $port; |
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mon $port, my $cv = AE::cv; |
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print join " ", $cv->recv, "\n"; |
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}, |
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setnoderef => sub { |
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@ARGV >= 1 |
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or die "shared secret missing\n"; |
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$profile->{noderef} = shift @ARGV; |
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++$cfg->{dirty}; |
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}, |
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clrnoderef => sub { |
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delete $profile->{noderef}; |
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++$cfg->{dirty}; |
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}, |
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setsecret => sub { |
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@ARGV >= 1 |
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or die "shared secret missing\n"; |
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$profile->{secret} = shift @ARGV; |
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++$cfg->{dirty}; |
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}, |
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gensecret => sub { |
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$profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64; |
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++$cfg->{dirty}; |
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}, |
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clrsecret => sub { |
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delete $profile->{secret}; |
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++$cfg->{dirty}; |
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}, |
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setcert => sub { |
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@ARGV >= 1 |
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or die "key+certificate pem filename missing\n"; |
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open my $fh, "<", $ARGV[0] |
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or die "$ARGV[0]: $!"; |
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local $/; |
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$profile->{cert} = <$fh>; |
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++$cfg->{dirty}; |
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}, |
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gencert => sub { |
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$profile->{cert} = gen_cert; |
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++$cfg->{dirty}; |
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}, |
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clrcert => sub { |
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delete $profile->{cert}; |
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++$cfg->{dirty}; |
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}, |
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setseeds => sub { |
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$profile->{seeds} = [@ARGV]; |
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@ARGV = (); |
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++$cfg->{dirty}; |
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}, |
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addseed => sub { |
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my $seed = shift @ARGV; |
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@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
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push @{ $profile->{seeds} }, $seed; |
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++$cfg->{dirty}; |
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}, |
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delseed => sub { |
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my $seed = shift @ARGV; |
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@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
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++$cfg->{dirty}; |
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}, |
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setservices => sub { |
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$profile->{services} = [@ARGV]; |
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@ARGV = (); |
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++$cfg->{dirty}; |
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}, |
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addservice => sub { |
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my $service = shift @ARGV; |
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push @{ $profile->{services} }, $service; |
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++$cfg->{dirty}; |
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}, |
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delservice => sub { |
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my $service = shift @ARGV; |
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for (0 .. $#{ $profile->{services} }) { |
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next unless $profile->{services}[$_] eq $service; |
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splice @{ $profile->{services} }, $_, 1; |
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last; |
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} |
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++$cfg->{dirty}; |
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}, |
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); |
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sub docmd { |
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my $cmd = shift @ARGV; |
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$CMD{$cmd} |
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or die "$cmd: no such aemp command (try man aemp)"; |
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$CMD{$cmd}(); |
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} |
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@ARGV |
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or die "Usage: aemp subcommand ... (try man aemp)\n"; |
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docmd; |
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