File Seek Python Documentation, A seek() operation moves that pointer to some other part of the file so you can read or write at that place. Mar 26, 2025 · This comprehensive guide explores Python's seek function, a powerful method for file positioning in Python. This allows you to read or write at any part of the file instead of always starting from the beginning. The Python File seek () method sets the file's cursor at a specified position in the current file. SEEK_CUR or 1 (seek relative to the current position) and os. Any read or write you do will happen from the beginning. A file's cursor is used to store the current position of the read and write operations in a file; and this method can move this file cursor forward or backward. Feb 5, 2026 · In Python, the seek () function is used to move the file cursor to a specific position inside a file. When you open a file, the system points to the beginning of the file. The whence argument is optional and defaults to os. Definition and Usage The seek() method sets the current file position in a file stream. The seek() method also returns the new postion. 1 day ago · The modules described in this chapter deal with disk files and directories. . There is no return value. SEEK_END or 2 (seek relative to the file’s end). SEEK_SET or 0 (absolute file positioning); other values are os. For example, there are modules for reading the properties of files, manipulating paths in a portable way, and creating temporary files. We'll cover basic usage, positioning modes, practical examples, and best practices. 3ga3 pufjza gnpm trrj 5sy tbq3o djh oier vfwf lrmz