January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
Content preview from Python 技術手冊 第三版
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10
檔案與文字作業
本章涵蓋 Python 中處理檔案與檔案系統有關的多數議題。一個
檔案
（
file
）是程式可以讀取或寫入的文字或位元組資料流（stream）；一個
檔
案系統
（
filesystem
）是電腦系統上由檔案構成的一個階層架構式的存放庫
（a hierarchical repository of files）。
也涉及檔案的其他章節
因為檔案是程式設計中非常重要的概念，雖然本章是本書中最長的一章，
但還有其他幾章也含有處理特定種類檔案時相關的參考資料。特別是，
第 11 章涵蓋與續存（persistence）和資料庫（database）功能性有關的許
多種檔案（「json 模組」中的 JSON，「 pickle 與 cPickle 模組」中的 pickle
檔 案 ，「 shelve 模組」中的 shelve 檔 案 ，「 v3 dbm 套件」中的DBM 與
類 DBM 檔案，以及「SQLite」中的 SQLite 資料庫檔案），第 22 章處理
HTML 格式的檔案和其他資料流，而第 23 章涵蓋 XML 格式的檔案和其他
資料流。
本章的組織方式
檔案與資料流有許多種類：它們的內容可以是任意的位元組或文字（如
果底層的儲存區或管道只處理位元組，就像大多數的那樣，就會有各種
編碼）；它們可能適合用於讀取、寫入或兩者皆可；它們可能是
有緩衝的
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|
第 10 章 檔案與文字作業
（
buffered
）；它們可能允許「隨機存取（random access）」，可在檔案中前
後移動（舉例來說，底層管道是 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.