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add usage info if no argument specified

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@9979 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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zhaoertao 2011-06-29 09:01:14 +00:00
parent f3ec1f9d4c
commit 264ca0d4ec
1 changed files with 2 additions and 1 deletions
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3
perl-xCAT/xCAT/FSPvm.pm
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@ -580,9 +580,10 @@ sub lsvm_parse_args {
sub modify {
my $request = shift;
my $hash = shift;
my $usage_string = xCAT::Usage->getUsage($request->{command});
return modify_by_prof( $request, $hash) if ( $request->{opt}->{p} || $request->{stdin});
return create( $request, $hash) if ( $request->{opt}->{i});
return ([["Error", "Miss argument"]]);
return ([["Error", "Miss argument\n".$usage_string, 1]]);
}