use strict;
use warnings;
package Devel::REPL::Plugin::DumpHistory;
# ABSTRACT: Plugin for Devel::REPL to save or print the history

our $VERSION = '1.003028';

use Devel::REPL::Plugin;
use namespace::autoclean;

## Seems to be a sequence issue with requires
# requires qw{ history };

around 'read' => sub {
  my $orig = shift;
  my ($self, @args) = @_;

  my $line = $self->$orig(@args);
  if (defined $line) {
    if ($line =~ m/^:dump ?(.*)$/) {
      my $file = $1;
      return '';
  return $line;

sub print_history {
    my ( $self, $file ) = @_;

    if ($file) {
        open( my $fd, ">>", $file )
            or do { warn "Couldn't open '$file': $!\n"; return; };
        print $fd "$_\n" for ( @{ $self->history } );
        $self->print( sprintf "Dumped %d history lines to '$file'\n",
            scalar @{ $self->history } );
        close $fd;
    } else {
        $self->print("$_\n") for ( @{ $self->history } );
    return 1;




=encoding UTF-8

=head1 NAME

Devel::REPL::Plugin::DumpHistory - Plugin for Devel::REPL to save or print the history

=head1 VERSION

version 1.003028


    use Devel::REPL;

    my $repl = Devel::REPL->new;


Plugin that adds the C<:dump> and C<:dump file_name> commands to the
repl which will print the history to STDOUT or append the history to the
file given.

=head1 SEE ALSO


=head1 SUPPORT

Bugs may be submitted through L<the RT bug tracker|>
(or L<|>).

There is also an irc channel available for users of this distribution, at
L<C<#devel> on C<>|irc://>.

=head1 AUTHOR

mgrimes, E<lt>mgrimes at cpan dot org<gt>


Copyright (C) 2007 by mgrimes

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.2 or,
at your option, any later version of Perl 5 you may have available.