fs_ext: filename/path extension object

In decisionpatterns/cache: Intuitive and Comprehensive Cache

Description

A filename extension object allowing for extensions containing .

Usage

fs_ext(x = NULL)

## S3 method for class 'fs_ext'
print(x, ...)

as_fs_ext(x, ...)

## Default S3 method:
as_fs_ext(x, ...)

## S3 method for class 'fs_path'
as_fs_ext(x, exts = backends_exts())

Arguments

x	object; values to be converted to character. Character values should omitting the leading . (period)
exts	character allowable extensions

Details

fs_ext() provides a object for handling file/path extensions. This is a character vector with a subclass ext that allows methods to be written for it.

as_fs_ext returns the extension of its argument x.

If x is a If x is a fs_path object and exts is provided, x will identify extensions will match these extensions first. This allows for extensions with more than one . in the filename. Otherwise, fs::path_ext() is used and the extension is the character following the last . in the path or filename.

Missing extensions are encoded as an empty string ("").

Value

a fs_ext() object.

See Also

• ext()

• fs::path_ext()

Examples

  fs_ext( qw(one, two, three) )

  file <- "my_file.sql.rds"
  as_fs_ext(file)

  file <- file %>% fs::path()
  as_fs_ext(file)
  as_fs_ext(file, c('sql', 'rds', 'sql.rds'))

decisionpatterns/cache documentation built on June 15, 2020, 9:35 p.m.