Copy File from One folder to other Folder.New to Qt

Jimit Rupani

files.h

#ifndef FILES_H
#define FILES_H

#include <QObject>

class files
{
public:
    files();
    QString srcPath = "/home/roopkumar/FileTransfer/1.txt";
    QString dstPath = "/media/roopkumar/Downloads";
    bool copyfile();
};

#endif // FILES_H

include "files.h"
#include<QFile>

files::files()
{

}

 bool files::copyfile(){
     if (QFile::exists(dstPath))
     {
         QFile::remove("home/roopkumar/Downloads/.txt");
     }

    QFile sourceFile( srcPath);
    QFile destFile( dstPath );
    bool success = true;
    success &= sourceFile.open( QFile::ReadOnly );
    success &= destFile.open( QFile::WriteOnly | QFile::Truncate );
    success &= destFile.write( sourceFile.readAll() ) >= 0;
     QFile::copy(srcPath,dstPath);
    sourceFile.close();
    destFile.close();

    return success;
}
**files.cpp**

main.cpp

 files *f = new files();
    f->copyfile();

Error : QIODevice::write (QFile, "/media/roopkumar/Downloads/2.txt"): device not open
where am i doing mistake help me with that.

VRonin

dstPath is a folder, not a file.
You don't need to open and read/write them QFile::copy is enough. all you need is:

QString dstPath = "/media/roopkumar/Downloads/2.txt"
if(QFile::exists(dstPath))
QFile::remove(dstPath);
Q_ASSUME(QFile::copy("/home/roopkumar/FileTransfer/1.txt",dstPath ));