December 2018
Intermediate to advanced
552 pages
12h 18m
English
Content preview from Hands-On System Programming with C++
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Modes for opening a file
Up until now, we have opened the file using the default mode. There are two modes that may be used to open a file:
- std::ios::in: Opens the file for reading
- std::ios::out: Opens the file for writing
In addition, there are several other modes that may be used in conjunction with these two, to modify how a file is opened:
- std::ios::binary: Opens the file for binary use. By default, std::fstream is in text mode, which applies specific rules about how a file is formatted using newline characters, and which types of character may be read/written to a file. These rules are usually appropriate for text files, but cause problems when you attempt to read/write binary data to a file. In this case, std::ios::binary should ...
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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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