use Mojo::Log::Che;
my $log = Mojo::Log::Log->new(path => '/var/log/mojo.log', level => 'warn');
$log->debug(...);

# Set "path" to folder + have default "paths" for levels (be sure that mkdir /var/log/mojo)
my $log = Mojo::Log::Log->new(path => '/var/log/mojo'); 
$log->warn(...);# log to  /var/log/mojo/warn.log
$log->error(...); # log to  /var/log/mojo/error.log
$log->foo(...);# log to  /var/log/mojo/foo.log

# set "path" to folder + set custom relative "paths" (be sure that mkdir /var/log/mojo)
my $log = Mojo::Log::Log->new(path => '/var/log/mojo', paths=>{debug=>'dbg.log', foo=>'myfoo.log'});
$log->debug(...); # log to  /var/log/mojo/dbg.log
$log->warn(...);# log to /var/log/mojo/warn.log
$log->foo(...);# log to  /var/log/mojo/myfoo.log

# set "path" to file + have default "paths" for levels
# this is standard Mojo::Log behavior + custom level/method also
my $log = Mojo::Log::Log->new(path => '/var/log/mojo.log');
$log->debug(...); # log to  /var/log/mojo.log
$log->warn(...);# log to  /var/log/mojo.log
$log->foo(...);# log to /var/log/mojo.log

# set "path" to file + set custom absolute "paths"
my $log = Mojo::Log::Log->new(path => '/var/log/mojo.log', paths => {error=>'/var/log/mojo.error.log'});
$log->debug(...); # log to  /var/log/mojo.log
$log->foo(...);# log to /var/log/mojo.log
$log->error(...);  # log to /var/log/mojo.error.log

# Log to STDERR + set custom absolute "paths"
$log->path(undef); # none path
$log->level('info');
$log->paths->{'error'} = '/var/log/error.log'; # absolute file only for error level
$log->error(...);  # log to /var/log/error.log
$log->info(...); # log to STDERR
$log->debug(...); # no log
$log->foo(...); # anyway log to STDERR

$log->handlers->{'foo'} = IO::Handle->new();

$log->path('/var/log'); # folder relative
$log->paths->{'error'} = 'err.log';
$log->error(...);#  /var/log/err.log
$log->info(...); # log to filename as level name /var/log/info.log

$log->path(undef); # none 
$log->paths->{'error'} = '/var/log/error.log'; # absolute path only error level
$log->error(...); # log to /var/log/error.log
$log->info(...); # log to STDERR

qw(message _message format _format handle handler handlers
history level max_history_size  path paths append debug  error fatal info
is_level  new warn  catch emit  has_subscribers on  once subscribers unsubscribe
has  attr tap _monkey_patch import)

$log->foo('bar here');