getRegEx: Return regex for variable values from the input schema.

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

Description

getRegEx extracts the slot df of the input object and returns its column valueRegEx as a vector.

Usage

getRegEx(object)

## S4 method for signature 'StfwfSchema'
getRegEx(object)

Arguments

object

Object of class StfwfSchema.

Value

A character vector with regular expressions for the values of each variable.

Examples

# A trivial example:
df <- data.frame(variable = c('Turnover', 'Employees'),
                 width = c(9L, 3L),
                 initialPos = c(1, 10),
                 finalPos = c(9, 12),
                 type = rep('num', 2),
                 valueRegEx = c('[0-9]{0,9}', '[0-9]{0,3}'),
                 description = c('Turnover of the business unit',
                                 'Number of employees of the business unit'),
                 stringsAsFactors = FALSE)
Schema <- new(Class = 'StfwfSchema', df = df)
getRegEx(Schema)

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