public String[] getTokens(String s)
{
    String[] tokens;
    tokens = s.split(",");
    tokens = s.split(" ");
    int pos = 0;
    for(int i = 0; i < tokens.length; i++)
    {
        if(tokens[i].equals(";") || tokens[i].equals(","))
        {
            tokens[i] =" ";
            pos = i;
            break;
        }
    }

public void execute()
{
    File[] filesArray = dt.returnFiles();
    for(File f : filesArray)
    {
        try
        {
            fileContent = dt.loadFile(f);

            for(int i=0; i < fileContent.size(); i++)
            {

                if(fileContent.get(i).equals(",") || fileContent.get(i).equals(";") ||
                        fileContent.get(i).isEmpty())
                {
                    fileContent.remove(i);
                }

            }