setRegEx: Set regex for the accepted values of the variable(s)

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

Description

setRegEx assigns a regexp to the values of each variable specified in the input parameters.

Usage

setRegEx(schema, regex, variables)

## S4 method for signature 'StfwfSchema,character'
setRegEx(schema, regex, variables)

Arguments

schema	Object of class StfwfSchema.
regex	charactec vector with the new regex for the accepted values of the variables.
variables	character vector with the names of the variables whose regex are to be updated.

Value

Object of class StfwfSchema.

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)
setRegEx(Schema, c('[0-9]{0,10}'), 'Turnover')

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