File.getPosition()

NES2+Syntax

							file.getPosition()

Description

The getPosition() method of the File object returns the zero-based index position of the current pointer in the file. If the pointer is on the first character, 0 is returned. If there is an error, -1 is returned.

Example

Listing 8.79 loops through each character, printing it on a new line next to its indexed location.

Listing 8.79 Using the getPosition() Method
 <SERVER> // Open the files var myLog = new File("/data/logs/today.log"); var mySummary = new File("/data/logs/summary.log"); myLog.open("r"); mySummary.open("w"); // Write the contents of the log file to the page for(var i = 0; i <= myLog.getLength(); i++){ myBytes = File.byteToString(myLog.readByte()); mySummary.write('Character ...

Get Pure JavaScript now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.