How to lint R project

.lintr

linters: with_defaults(
    line_length_linter(120),
    camel_case_linter = NULL
    )

lint.R

if (suppressMessages(!require("pacman"))) install.packages("pacman", repos="https://mirror.cedia.org.ec/CRAN/")
pacman::p_load(lintr, styler)

# find all files that end with .R that are not lint.R
files_to_lint <- grep("(?<!lint)\\.R", list.files(), perl=T, value=T, ignore.case=T)
cat("Will lint these files:\n"); print(files_to_lint); cat("\n")

# properly style them
style_file(files_to_lint)

# lint each file and print output to console
cat("\nLinting", length(files_to_lint), "files:\n")
for (filename in files_to_lint) {
    print(lint(filename))
}