$command = "$0 @ARGS";这句是什么意思

如题目？

文件名 参数列表

tks
PERL 的参数不太清楚：原出处
这里调用
$platform->server_export("$station->{'name'}");
这里定义
sub server_export
# \brief Exports calling script (or optional command) to station's server
# \param $station - station name for SUT
# \param $command - optional command to be run in place of calling script
# \param $fork - Flag to indicate whether process is to be forked
{
        my $self = shift;
        my ($station, $fork, $command) = @_;
       
        if( !defined($command) )
        {
                $command = "$0 @ARGS";

那么这里的&0 是 "server_export"?

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