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metacoder (version 0.3.7)

fasta_headers: Get line numbers of FASTA headers

Description

Get line numbers of FASTA headers without reading whole fasta file into RAM.

Usage

fasta_headers(file_path, buffer_size = 1000, return_headers = TRUE)

Value

numeric

Arguments

file_path

(character of length 1) The path to a file to read.

buffer_size

(numeric of length 1) The number of lines in each chunk.

return_headers

(logical of length 1) If TRUE, name the result with the headers.