Find and replace in files across a directory

Usage

findAndReplace(
  pattern,
  replacement,
  filePattern = "\\.(r|R)$",
  dir = getwd(),
  recursive = FALSE
)

Arguments

pattern: character(1). Pattern string, supporting regular expressions.
replacement: character(1). Replacement string.
filePattern: character(1). File pattern matching string. Defaults to matching against R files.
dir: character(1). Directory path.
recursive: logical(1). Search recursively?

Value

Invisibly return file paths.

Note

Updated 2023-05-22.

Examples

## > unlink("testdata", recursive = TRUE)
## > dir.create(file.path("testdata", "subdir"), recursive = TRUE)
## > writeLines(
## >     text = "print(\"foo\")",
## >     con = file.path("testdata", "aaa.R"),
## > )
## > writeLines(
## >     text = "print(\"foo\")",
## >     con = file.path("testdata", "subdir", "bbb.R"),
## > )
## > out <- findAndReplace(
## >     pattern = "foo",
## >     replacement = "bar",
## >     dir = "testdata",
## >     recursive = TRUE
## > )
## > print(out)
## > print(readLines(out[[1L]]))
## > unlink("testdata", recursive = TRUE)