Guess read function from file extension

This function accepts a filename and tries to return a valid function for reading it.

Usage

guess_read_function(file)

Arguments

file

filename to parse

Value

function for reading the file, if found

Details

guess_read_function understands the following file extensions:

• rds with readRDS

• csv, csv.gz, csv.xz with utils::read.csv

• tsv, tsv.gz, tsv.xz with utils::read.delim

• parquet with arrow::read_parquet

• txt, txt.gz, txt.xz with readLines

• json, json.gz, json.xz with jsonlite::fromJSON

See also

Other pb_rw: guess_write_function(), pb_read(), pb_write()