Install named instance of sqlserver using batch file

Be aware of the quotes.
ExecWait '"$TEMP\SQLEXPR.EXE" /Silent /INSTANCENAME=SQLEXPRESS ADDLOCAL=All PIDKEY=ABCDE12345FGHIJ67890KLMNO SAPWD=StrongPassword SQLACCOUNT=SQLEXPRESS\bla SQLPASSWORD=blabla AGTACCOUNT=SQLEXPRESS\bla AGTPASSWORD=blabla SQLBROWSERACCOUNT=sqlexpress\bla SQLBROWSERPASSWORD=blabla'

Need to delete Files having more than 3 Underscores ( _ )

Try this code may help u .


void deleteFiles() 
{
DirectoryInfo objDir = new DirectoryInfo(@"D:\");
FileInfo[] objFileList = objDir.GetFiles();
foreach(FileInfo f in objFileList)
{
if (f != null)

if (f.Name.Split('_').Length > 3)
{
f.Delete();
}
}
});