QString i; // current file's number
QString total; // number of files to process
QString fileName; // current file's name
QString status = QString("Processing file %1 of %2: %3")
.arg(i).arg(total).arg(fileName);
const auto text=QString(R"(
My program is %1
it's written by %2
for %3
)").arg("good","nice gay","fun and profit");