Commit | Line | Data |
ff0abfba |
1 | #!/usr/bin/env perl |
2 | |
3 | use strictures 1; |
4 | use IPC::Open2; |
5 | use Term::ReadLine; |
6 | use JSON::PP qw(encode_json decode_json); |
7 | |
8 | my $cmd = do { |
9 | if (my $host = $ARGV[0]) { |
10 | 'cat jsonrepl.packed - | ssh '.$host.' perl -' |
11 | } else { |
12 | 'perl jsonrepl' |
13 | } |
14 | }; |
15 | |
16 | my $pid = open2(my $out, my $in, $cmd); |
17 | |
18 | my $read = Term::ReadLine->new('REPL'); |
19 | |
20 | while (1) { |
21 | my $line = $read->readline('re.pl$ '); |
22 | exit unless defined $line; |
23 | next unless length $line; |
24 | print $in encode_json([ EVAL => $line ])."\n"; |
25 | my $reply = decode_json scalar readline($out); |
26 | if ($reply->[0] eq 'MISTAKE') { |
27 | die "Botch: ".join(': ', @{$reply}[1,2]); |
28 | } |
29 | my $ret = $reply->[1]; |
30 | print $ret->{return}; |
31 | if ($ret->{stdout}) { |
32 | chomp($ret->{stdout}); |
33 | print "STDOUT:\n${\$ret->{stdout}}\n"; |
34 | } |
35 | if ($ret->{stderr}) { |
36 | chomp($ret->{stderr}); |
37 | print "STDERR:\n${\$ret->{stderr}}\n"; |
38 | } |
39 | } |