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Compare feed and water file names by shared dates

Source: R/file_name_process.R
compare_files.Rd

Idealy we want to have both feeder and water data for each day. This function identifies the subset of feed and water file names that share the same extracted dates, returning only files from dates when both feeder and water data exist.

Usage

compare_files(file_names_feed, file_names_water)

Arguments

file_names_feed

A character vector of feed file names.

file_names_water

A character vector of water file names.

Value

A list with components:

feed

Character vector of feed file names that have matching water data.

water

Character vector of water file names that have matching feed data.

If no common dates are found, both components are empty character vectors.

Examples

compare_files(
  c("feed/VR200715.DAT", "feed/VR200716.DAT"),
  c("water/VW200715.DAT", "water/VW200717.DAT")
)
#> $feed
#> [1] "feed/VR200715.DAT"
#> 
#> $water
#> [1] "water/VW200715.DAT"
#>