make_or_read2: If a Drive file doesn't exist, get it

In tiernanmartin/miscgis: A Collection of Functions and RStudio Add-ins for GIS Analysis in R

Description

A function that determines whether a file exists in Google Drive, and execture

Usage

make_or_read2(fp = NA_character_, dr_id = "", skip_get_expr = FALSE,
  get_expr = NULL, make_expr = NULL, read_expr = NULL, ...)

Arguments

fp	A file path character string.
dr_id	A Google Drive ID, S3 class drive_id (use as_id).
skip_get_expr	Skip the get_expr step (default is FALSE).
get_expr	An expression used to get the file from its original source.
make_expr	An expression used to create the file.
read_expr	An expression used to read the file.
...	other objects to pass to the expressions

Value

The object that is read or created is returned silently.

tiernanmartin/miscgis documentation built on May 31, 2019, 1:19 p.m.