main.cpp Example File

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 #include <QCoreApplication>
 #include <QStringList>
 #include "downloadmanager.h"
 #include <stdio.h>

 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     QStringList arguments = app.arguments();
     arguments.takeFirst();      // remove the first argument, which is the program's name

     if (arguments.isEmpty()) {
         printf("Qt Download example\n"
                "Usage: downloadmanager url1 [url2... urlN]\n"
                "\n"
                "Downloads the URLs passed in the command-line to the local directory\n"
                "If the target file already exists, a .0, .1, .2, etc. is appended to\n"
                "differentiate.\n");
         return 0;
     }

     DownloadManager manager;
     manager.append(arguments);

     QObject::connect(&manager, SIGNAL(finished()), &app, SLOT(quit()));
     app.exec();
 }