lr_convert_tocsv {lightr}

Convert spectral data files to csv files

Description

Convert spectral data files to csv files

Usage

lr_convert_tocsv(
  where = NULL,
  ext = "txt",
  decimal = ".",
  sep = NULL,
  subdir = FALSE,
  ignore.case = TRUE,
  overwrite = FALSE,
  metadata = TRUE
)

Arguments

where

Folder in which files are located (defaults to current working directory).

ext

File extension to be searched for, without the "." (defaults to txt). You can also use a character vector to specify multiple file extensions.

decimal

Character to be used to identify decimal plates (defaults to .).

sep

Column delimiting characters to be considered in addition to the default (which are: tab, space, and ";")

subdir

Should subdirectories within the where folder be included in the search? (defaults to FALSE).

ignore.case

Should the extension search be case insensitive? (defaults to TRUE)

overwrite

logical. Should the function overwrite existing files with the same name? (defaults to FALSE).

metadata

logical (defaults to TRUE). Should metadata be exported as well? They will be exported in csv files will the ⁠_metadata.csv⁠ suffix.

Details

You can customise the type of parallel processing used by this function with the future::plan() function. This works on all operating systems, as well as high performance computing (HPC) environment. Similarly, you can customise the way progress is shown with the progressr::handlers() functions (progress bar, acoustic feedback, nothing, etc.)

Value

Convert input files to csv and invisibly return the list of created file paths

Warning

When metadata = TRUE, if either the data or metadata export fails, nothing will be returned for this file.