14 Shell ↔︎ R Cheat Sheet

One page mapping every shell command in this book to its R equivalent. Keep it beside your terminal.

Shell	R equivalent
`pwd`	`getwd()` / `here::here()`
`ls`	`dir()` / `list.files()` / `fs::dir_ls()`
`ls -la`	`fs::dir_info()`
`cd dir`	`setwd("dir")`
`mkdir dir`	`dir.create("dir")` / `fs::dir_create()`
`rmdir dir`	`fs::dir_delete()`
`touch file`	`file.create()` / `fs::file_touch()`
`cp a b`	`file.copy()` / `fs::file_copy()`
`mv a b`	`file.rename()` / `fs::file_move()`
`rm file`	`file.remove()` / `fs::file_delete()`
`echo text`	`cat()` / `message()`
`cat file`	`readLines()`
`head -n 5 file`	`head(readLines("file"), 5)`
`tail -n 5 file`	`tail(readLines("file"), 5)`
`wc -l file`	`length(readLines("file"))`
`sort file`	`sort()`
`sort -u file`	`unique(sort())`
`grep pattern file`	`grep()` / `stringr::str_detect()`
`find dir -name '*.txt'`	`list.files(dir, pattern = "\\.txt$")`
`wget URL` / `curl -O URL`	`download.file()` / `curl::curl_download()`
`tar -xvf f.tar`	`utils::untar()`
`zip -r z.zip dir`	`zip::zip()`
`unzip f.zip`	`zip::unzip()`
`gzip -dc f.gz`	`gzcon()` / `readr::read_csv()`
`sleep 5`	`Sys.sleep(5)`
`history`	`history()`
`diff a b`	`waldo::compare()` / `diffobj::diffObj()`
`system2("ls")`	run shell from R
`Rscript script.R`	run R from shell