TXTReader.new.md

new TXTReader

The constructor function is established to create a TXTReader object.

Sample

//The content of the test.txt file is 
//"12345678901234567890
// 11111222223333344444
// 99999777777777722222"
var regFieldsDef="(.{5})(.{10})(.{5})";
var txtReader = new TXTReader("input/test.txt", regFieldsDef, "MS932"); 

//The content of the test.txt file is 
//"123456789012345678901111122222333334444499999777777777722222"
var txtReader = new TXTReader("input/test.txt", regFieldsDef, "MS932", 20); 

API

Calling	Returning
new TXTReader (path, regFieldsDef)	TXTReader
new TXTReader (path, regFieldsDef, encoding)	TXTReader
new TXTReader (path, regFieldsDef, encoding, rowSize)	TXTReader
new TXTReader (path, regFieldsDef, encoding, rowSize, skipRows)	TXTReader
new TXTReader (path, regFieldsDef, encoding, rowSize, skipRows, rowsToRead)	TXTReader

Parameters	Type	Description
path	String	The relative file or folder path to the storage.
regFieldsDef	String	A regular expression that defines the fields to be fetched.
encoding	String	The charset name of the text file. The default value is UTF-8.
rowSize	Number	The binary size of a record. The default value is -1 means undefined.
skipRows	Number	The count of rows to be skipped without reading. The default value is -1 means undefined.
rowsToRead	Number	The count of rows to be read. The default value is -1 means undefined.