e_file_first_last: List of filenames as the first or last n by filename or file...

In erikerhardt/erikmisc: Erik Erhardt's miscellaneous functions for solving complex data analysis workflows

List of filenames as the first or last n by filename or file time matching a regular expression within a path

Description

List of filenames as the first or last n by filename or file time matching a regular expression within a path

Usage

e_file_first_last(
  name = NULL,
  path = ".",
  sw_first_last = c("first", "last")[2],
  n_file = 1,
  sw_sort = c("filename", "mtime", "ctime", "atime")[1],
  sw_rev_order = c(TRUE, FALSE)[1],
  ...
)

Arguments

name	filename regular expression for which to search
path	path
sw_first_last	first (oldest) or last (newest) set of files
n_file	number of filenames to return
sw_sort	sort by filename, or by time from file.inf, file modification, last status change, or last access time
sw_rev_order	default sort starting with first (oldest) or reverse to start with last (newest)?
...	additional arguments passed to list.files in addition to path and pattern

Value

fn_out filename list with path

Examples

## Not run: 

# last filename by name in getwd()
e_file_first_last()
# newest 3 files in getwd()
e_file_first_last(n_file = 3, sw_sort = "mtime")


## End(Not run)

erikerhardt/erikmisc documentation built on April 17, 2025, 10:48 a.m.