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README.Rmd
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---
output: github_document
---
<!-- README.md is generated from README.Rmd. Please edit that file -->
```{r setup, include = FALSE}
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.path = "man/figures/README-",
out.width = "100%"
)
```
# usethis <img src="man/figures/logo.png" align="right" height="139" />
<!-- badges: start -->
[](https://travis-ci.org/r-lib/usethis)
[](https://ci.appveyor.com/project/r-lib/usethis)
[](https://codecov.io/gh/r-lib/usethis?branch=master)
[](https://cran.r-project.org/package=usethis)
[](https://www.tidyverse.org/lifecycle/#stable)
<!-- badges: end -->
usethis is a workflow package: it automates repetitive tasks that arise during project setup and development, both for R packages and non-package projects.
## Installation
Install the released version of usethis from CRAN:
```{r, eval = FALSE}
install.packages("usethis")
```
Or install the development version from GitHub with:
```{r, eval = FALSE}
# install.packages("devtools")
devtools::install_github("r-lib/usethis")
```
## Usage
Most `use_*()` functions operate on the *active project*: literally, a directory on your computer. If you've just used usethis to create a new package or project, that will be the active project. Otherwise, usethis verifies that current working directory is or is below a valid project directory and that becomes the active project. Use `proj_get()` or `proj_sitrep()` to manually query the project and [read more in the docs](https://usethis.r-lib.org/reference/proj_utils.html).
A few usethis functions have no strong connections to projects and will expect you to provide a path.
usethis is quite chatty, explaining what it's doing and assigning you tasks. `✔` indicates something usethis has done for you. `●` indicates that you'll need to do some work yourself.
Below is a quick look at how usethis can help to set up a package. But remember, many usethis functions are also applicable to analytical projects that are not packages.
```{r}
library(usethis)
# Create a new package -------------------------------------------------
path <- file.path(tempdir(), "mypkg")
create_package(path)
# only needed since this session isn't interactive
proj_activate(path)
# Modify the description ----------------------------------------------
use_mit_license("My Name")
use_package("MASS", "Suggests")
# Set up various packages ---------------------------------------------
use_roxygen_md()
use_rcpp()
use_revdep()
# Set up other files -------------------------------------------------
use_readme_md()
use_news_md()
use_test("my-test")
x <- 1
y <- 2
use_data(x, y)
# Use git ------------------------------------------------------------
use_git()
```
Please note that the usethis project is released with a [Contributor Code of Conduct](.github/CODE_OF_CONDUCT.md). By contributing to this project, you agree to abide by its terms.