pakmanaged.js
function copyFileSync(srcFile, destFile) {
      if (!fs.existsSync(srcFile))
        common.error('copyFileSync: no such file or directory: ' + srcFile);
    
      var BUF_LENGTH = 64*1024,
          buf = new Buffer(BUF_LENGTH),
          bytesRead = BUF_LENGTH,
          pos = 0,
          fdr = null,
          fdw = null;
    
      try {
        fdr = fs.openSync(srcFile, 'r');
      } catch(e) {
        common.error('copyFileSync: could not read src file ('+srcFile+')');
      }
    
      try {
        fdw = fs.openSync(destFile, 'w');
      } catch(e) {
        common.error('copyFileSync: could not write to dest file (code='+e.code+'):'+destFile);
      }
    
      while (bytesRead === BUF_LENGTH) {
        bytesRead = fs.readSync(fdr, buf, 0, BUF_LENGTH, pos);
        fs.writeSync(fdw, buf, 0, bytesRead);
        pos += bytesRead;
      }
    
      fs.closeSync(fdr);
      fs.closeSync(fdw);
    
      fs.chmodSync(destFile, fs.statSync(srcFile).mode);
    }
function copyFileSync(srcFile, destFile) {
      if (!fs.existsSync(srcFile))
        common.error('copyFileSync: no such file or directory: ' + srcFile);
    
      var BUF_LENGTH = 64*1024,
          buf = new Buffer(BUF_LENGTH),
          bytesRead = BUF_LENGTH,
          pos = 0,
          fdr = null,
          fdw = null;
    
      try {
        fdr = fs.openSync(srcFile, 'r');
      } catch(e) {
        common.error('copyFileSync: could not read src file ('+srcFile+')');
      }
    
      try {
        fdw = fs.openSync(destFile, 'w');
      } catch(e) {
        common.error('copyFileSync: could not write to dest file (code='+e.code+'):'+destFile);
      }
    
      while (bytesRead === BUF_LENGTH) {
        bytesRead = fs.readSync(fdr, buf, 0, BUF_LENGTH, pos);
        fs.writeSync(fdw, buf, 0, bytesRead);
        pos += bytesRead;
      }
    
      fs.closeSync(fdr);
      fs.closeSync(fdw);
    
      fs.chmodSync(destFile, fs.statSync(srcFile).mode);
    }
function copyFileSync ( srcFile , destFile ) { if ( ! fs . existsSync ( srcFile ) ) common . error ( 'copyFileSync: no such file or directory: ' + srcFile ) ; var BUF_LENGTH = 64 * 1024 , buf = new Buffer ( BUF_LENGTH ) , bytesRead = BUF_LENGTH , pos = 0 , fdr = null , fdw = null ; try { fdr = fs . openSync ( srcFile , 'r' ) ; } catch ( e ) { common . error ( 'copyFileSync: could not read src file (' + srcFile + ')' ) ; } try { fdw = fs . openSync ( destFile , 'w' ) ; } catch ( e ) { common . error ( 'copyFileSync: could not write to dest file (code=' + e . code + '):' + destFile ) ; } while ( bytesRead === BUF_LENGTH ) { bytesRead = fs . readSync ( fdr , buf , 0 , BUF_LENGTH , pos ) ; fs . writeSync ( fdw , buf , 0 , bytesRead ) ; pos += bytesRead ; } fs . closeSync ( fdr ) ; fs . closeSync ( fdw ) ; fs . chmodSync ( destFile , fs . statSync ( srcFile ) . mode ) ; }
Buffered file copy, synchronous (Using readFileSync() + writeFileSync() could easily cause a memory overflow with large files)
Buffered file copy synchronous ( Using readFileSync () + writeFileSync () could easily cause a memory overflow with large files )