# split the command line up into parts, the first part is the command
my ($cmd, $args) = split /\s+/, $cmdline, 2;
- $args = "" unless $args;
+ $args = "" unless defined $args;
if ($cmd) {
my $acmd = CmdAlias::get_cmd($cmd);
if ($acmd) {
($cmd, $args) = split /\s+/, "$acmd $args", 2;
- $args = "" unless $args;
+ $args = "" unless defined $args;
dbg('command', "aliased cmd: $cmd $args");
}