Get file header — file_hdr • nemo

Returns the column names of a file without reading the entire file.

Usage

file_hdr(fpath, delim = "\t", n_max = 0, ...)

Arguments

fpath: (character(1))
File path.
delim: (character(1))
File delimiter.
n_max: (integer(1))
Maximum number of lines to read.
...: Passed on to readr::read_delim.

Examples

dir1 <- system.file("extdata/tool1", package = "nemo")
fpath <- file.path(dir1, "latest", "sampleA.tool1.table1.tsv")
(hdr <- file_hdr(fpath))
#> [1] "SampleID"   "Chromosome" "Start"      "End"        "metricX"   
#> [6] "metricY"    "metricZ"