flyio (version 0.1.4)

import_table: Read csv, Excel files, txt

Description

Read tabular data from anywhere using a function defined by you

Usage

import_table(file, FUN = data.table::fread,
  data_source = flyio_get_datasource(),
  bucket = flyio_get_bucket(data_source), dir = flyio_get_dir(),
  delete_file = TRUE, show_progress = FALSE, ...)

Arguments

file

path of the file to be read

FUN

the function using which the file is to be read

data_source

the name of the data source, if not set globally. s3, gcs or local

bucket

the name of the bucket, if not set globally

dir

the directory to store intermediate files

delete_file

logical. to delete the file downloaded

show_progress

logical. Shows progress of the download operation

...

other parameters for the FUN function defined above

Value

the output of the FUN function

Examples

# NOT RUN {
# for data on local
filepath = system.file("extdata", "mtcars.csv", package = "flyio")
data = import_table(filepath, FUN = read.csv, data_source = "local")
# }
# NOT RUN {
# for data on cloud
flyio_set_datasource("gcs")
flyio_set_bucket("your-bucket-name")
data = import_table("excel-file-on-gcs.xlsx", read_excel, dir = tempdir())
# }