Results for “File operations & integrity”
Small, practical examples. Search by task or narrow things down below.
Copy a file and preserve its metadata
Python: Use copy2 for a file copy that also attempts to preserve timestamps and permission bits.
Python✓ Tested
Copy a file without overwriting
C#: File.Copy defaults to refusing a destination that already exists.
C#✓ Tested
Copy a file without replacing an existing destination
Java: Files.copy fails if the destination already exists unless replacement is explicitly enabled.
Java✓ Tested
Copy a file without replacing an existing destination
C++: The default copy_file policy refuses to overwrite an existing destination.
C++✓ Tested
Create a file only when it does not exist
C#: FileMode.CreateNew prevents accidental replacement of existing content.
C#✓ Tested
Create a file without overwriting an existing one
Python: Use exclusive creation mode and handle FileExistsError explicitly.
Python✓ Tested
Create a ZIP archive from a file
Python: Give a ZIP entry a relative archive name instead of exposing its source directory.
Python✓ Tested
Create an archive from an explicit file list
Linux Commands: Use tar -T for a controlled list of relative archive members.
Linux Commands✓ Tested
Create and clean up a temporary file
Java: Create a unique file and remove it in finally even when the operation fails.
Java✓ Tested
Delete a known scratch file
C#: File.Delete ignores a missing file but still throws for other I/O failures.
C#✓ Tested
Delete a known temporary file if present
Java: deleteIfExists returns whether a file was removed and still reports other I/O errors.
Java✓ Tested
Delete one known scratch file
C++: filesystem::remove reports whether an item was removed and also supports empty directories.
C++✓ Tested