Pure JavaScript

File.flush()

NES2+Syntax

							file.flush()

Description

The flush() method of the File object is used to write buffered information to a file. This information is placed in a buffer when the write(), writeln(), and writeByte() methods are used. Note that this is not the same as the top-level flush function.

Example

Listing 8.77 opens a file for reading and another file for writing. If the file for reading exists, a string is written to the other file. The flush() method is used to write the actual buffer of information to the file.

Listing 8.77 Using the flush() Method

<SERVER> // Open a log file var myLog = new File("/data/logs/today.log"); var mySummary = new File("/data/logs/summary.log"); myLog.open("r"); mySummary.open("w"); // See if the ...