# First cut at using the readline history directly rather than reimplementing
# it. It does save history but it's a little crappy; still playing with it ;)
#
# epitaph, 22nd April 2007
package Devel::REPL::Plugin::ReadLineHistory;
use Devel::REPL::Plugin;
use File::HomeDir;
use File::Spec;
my $hist_file = $ENV{PERLREPL_HISTFILE} ||
File::Spec->catfile(File::HomeDir->my_home, '.perlreplhist');
# HISTLEN should probably be in a config file to stop people accidentally
# truncating their history if they start the program and forget to set
# PERLREPL_HISTLEN
my $hist_len=$ENV{PERLREPL_HISTLEN} || 100;
around 'run' => sub {
my $orig=shift;
my ($self, @args)=@_;
$self->term->stifle_history($hist_len);
-f($hist_file) && $self->term->ReadHistory($hist_file);
$self->term->Attribs->{do_expand}=1;
$self->$orig(@args);
$self->term->WriteHistory($hist_file) ||
$self->print("warning: failed to write history file $hist_file");
};
1;
__END__
=head1 NAME
Devel::REPL::Plugin::ReadLineHistory - Integrate history with the facilities provided by L<Term::ReadLine>
=cut