arvadosFile <- collection$get("location/to/my/file.cpp")
```
- or
+or
```{r}
arvadosSubcollection <- collection$get("location/to/my/directory/")
size <- arvadosFile$getSizeInBytes()
```
- or
+or
```{r}
size <- arvadosSubcollection$getSizeInBytes()
collection$create(files)
```
- Example:
+Example:
```{r}
mainFile <- collection$create("cpp/src/main.cpp")