N/file Module
File.getSegments()
Method Description: Method used to return the iterator of segments delimited by a separator. Separator is included in each segment. Empty separator is not allowed.
Returns: Iterator
Supported Script Types: Server-side scripts For more information, see SuiteScript 2.0 Script Types.
Governance: None
Module: N/file Module
Since: 2019.1
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=File.getSegments(options)

// Code Example 1

// Add additional code

//...

var statementFile = context.input.file;



   var statementSegmentIterator = statementFile.getSegments({

    separator: '\\|_|/'

}).iterator();

   statementSegmentIterator.each(function (segment) {



log.debug({

    title: 'STATEMENT TEXT',

    details: segment.value

               });

               return true;

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_1543844004.html