func delgroup(c cmd, conn *ec2.EC2, args []string) {
hasError := false
for _, g := range args {
var ec2g ec2.SecurityGroup
if secGroupPat.MatchString(g) {
ec2g.Id = g
} else {
ec2g.Name = g
}
_, err := conn.DeleteSecurityGroup(ec2g)
if err != nil {
errorf("cannot delete %q: %v", g, err)
hasError = true
}
}
if hasError {
os.Exit(1)
}
}
