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list_dir.cpp
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56 lines (36 loc) · 1 KB
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#include <QTextStream>
#include <QFileInfo>
#include <QDir>
int main(int argc, char *argv[]) {
QTextStream out{stdout};
if (argc != 2) {
qWarning("Usage: list_dir directory");
return 1;
}
QString directory = argv[1];
QDir dir{directory};
if (!dir.exists()) {
qWarning("The directory does not exist");
return 1;
}
dir.setFilter(QDir::Files | QDir::AllDirs);
dir.setSorting(QDir::Size | QDir::Reversed);
QFileInfoList list = dir.entryInfoList();
int max_size = 0;
for (QFileInfo finfo: list) {
QString name = finfo.fileName();
int size = name.size();
if (size > max_size) {
max_size = size;
}
}
int len = max_size + 2;
out << QString("Filename").leftJustified(len).append("Bytes") << endl;
for (int i = 0; i < list.size(); ++i) {
QFileInfo fileInfo = list.at(i);
QString str = fileInfo.fileName().leftJustified(len);
str.append(QString("%1").arg(fileInfo.size()));
out << str << endl;
}
return 0;
}