August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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File.read()
NES2+Syntax
file.read(num)
Description
The read() method of the File object starts at the current pointer in the file and reads num characters in the file. If you try to read characters past the end of the file, the method will read all of the characters and stop. Use the readByte() method if you are trying to read the byte data.
Example
Listing 8.82 reads information from a text file and writes every other character to the user's page. The setPosition() method is used to move the pointer correctly, and the read() method is used to read the data.
Listing 8.82 Using the read() Method
<SERVER> // Open the files var myLog = new File("/data/logs/today.log"); myLog.open("r"); // Write some characters to the page for(var i = 1; i ... |
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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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