import_table: Read csv, Excel files, txt

In flyio: Read or Write any Format from Anywhere

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

# 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())

## End(Not run)

flyio documentation built on Oct. 31, 2019, 4:59 p.m.