INExmlToSchema: Build an object of class StfwfSchema.

In david-salgado/fastReadfwf: Fast read of fwf files with arbitrary input schema

Description

xmlToSchema is a constructor of the class StfwfSchema.

This constructor reads an xml file containing totally the schema of the fixed-width file to read. This file contains a root node named Schema, a secondary root node named Variables and one node var for each variable of the Schema who has the following child nodes:

• variable: the name of the variable.

• width: the number of positions which the values of this variable occupy in the fwf file.

• initialPos: initial position of the field which the values of this variable occupy in the fwf file.

• finalPos: final position of the field which the values of this variable occupy in the fwf file.

• type: type of the variable. It must be either log, integer, num or char.

• valueRegEx: regular expression for the values of this variable.

• description: textual description of the variable.

Usage

INExmlToSchema(xmlName = NULL, xmlSchema = NULL)

Arguments

xmlName	Path of the xml file containing the schema.
xmlSchema	Object of class xml_document-class containing the schema.

Value

Return an object of class StfwfSchema.

See Also

INExlsxToSchema INExlsxToXML

Examples

xmlName <- file.path(system.file('extdata', package = 'fastReadfwf'), 'dr_EESEadulto_2020.xml')
output <- INExmlToSchema(xmlName)

david-salgado/fastReadfwf documentation built on Dec. 25, 2021, 12:43 p.m.