Detect pattern matches in files — ac_detect_file • ahocorasick

ac_detect_file() returns whether each file has at least one pattern match.

Usage

ac_detect_file(ac, path, stream = FALSE)

Arguments

ac: An <ac_automaton> object created by ac_build().
path: A vector of file paths to search.
stream: If FALSE (default), each file is read into memory before searching. If TRUE, files are searched as streams. Stream search requires an automaton built with match_kind = "standard".

Value

A logical vector with the same length as path.

See also

ac_detect(), ac_count_file(), ac_locate_bytes().

Examples

ac <- ac_build(c("hello", "world"))
path <- tempfile()
writeLines("hello world", path)
ac_detect_file(ac, path)
#> [1] TRUE