return "Alert: While trying to '$self->{during}' YAML file\n".
                    " '$self->{file}'\n".
                        "some unknown error was encountered\n";
            }
        } else {
            return "Alert: While trying to '$self->{during}' some YAML file\n".
                    "some unknown error was encountered\n";
        }
    } else {
        return "Alert: unknown error encountered\n";
    }
}

package CPAN::Prompt; use overload '""' => "as_string";
use vars qw($prompt);
$prompt = "cpan> ";
$CPAN::CurrentCommandId ||= 0;
sub new {
    bless {}, shift;
}
sub as_string {
    my $word = "cpan";
    unless ($CPAN::META->{LOCK}) {
        $word = "nolock_cpan";
    }
    if ($CPAN::Config->{commandnumber_in_prompt}) {
        sprintf "$word\[%d]> ", $CPAN::CurrentCommandId;
    } else {
        "$word> ";
    }
}

package CPAN::URL; use overload '""' => "as_string", fallback => 1;
# accessors: TEXT(the url string), FROM(DEF=>defaultlist,USER=>urllist),
# planned are things like age or quality
sub new {
    my($class,%args) = @_;
    bless {
           %args
          }, $class;
}
sub as_string {
    my($self) = @_;
    $self->text;
}
sub text {
    my($self,$set) = @_;
    if (defined $set) {
        $self->{TEXT} = $set;
    }
    $self->{TEXT};
}

package CPAN::Distrostatus;
use overload '""' => "as_string",
    fallback => 1;
use vars qw($something_has_failed_at);
sub new {
    my($class,$arg) = @_;
    my $failed = substr($arg,0,2) eq "NO";
    if ($failed) {
        $something_has_failed_at = $CPAN::CurrentCommandId;
    }
    bless {
           TEXT => $arg,
           FAILED => $failed,
           COMMANDID => $CPAN::CurrentCommandId,
           TIME => time,
          }, $class;
}
sub something_has_just_failed () {
    defined $something_has_failed_at &&
        $something_has_failed_at == $CPAN::CurrentCommandId;
}
sub commandid { shift->{COMMANDID} }
sub failed { shift->{FAILED} }
sub text {
    my($self,$set) = @_;
    if (defined $set) {
        $self->{TEXT} = $set;
    }
    $self->{TEXT};
}
sub as_string {
    my($self) = @_;
    $self->text;
}

package CPAN::Shell;
use strict;
use vars qw(
            $ADVANCED_QUERY
            $AUTOLOAD
            $COLOR_REGISTERED
            $Help
            $autoload_recursion
            $reload
            @ISA
            @relo
           );