# SimplestConfig.pm

# SimplestConfig->new('filename') returns an object whose attributes
# (simple values only at this time) will be stored in a file named
# filename under the form attribute=value and as such may be usefull
# to manage simple config files.

use strict;
use warnings;

package SimplestConfig;

sub new {
    my ($class, $filename) = @_;
    my $self = {_FileName_ => $filename};
    bless $self, $class;
    if (open CFG, "<$filename") {
        while (<CFG>) {
            /^\s*(\S.*?)\s*=\s*(.*?)\s*$/ and $self->{$1} = $2;
        }
        close CFG;
    } else {
        warn "Can't read $filename, creating it\n";
    }
    return $self;
}

sub DESTROY {
    my ($self) = @_;
    open CFG, ">$self->{_FileName_}" or
        die "Can't write $self->{_FileName_}\n";
    delete $self->{_FileName_};
    print CFG map "$_=$self->{$_}\n", sort keys(%{$self});
    close CFG;
}

1;