chk_ext {chk} | R Documentation |
Check File Extension
Description
Checks extension using
vld_string(x) && vld_subset(tools::file_ext(x), ext)
The user may want to use toupper()
or tolower()
to ensure the case matches.
Usage
chk_ext(x, ext, x_name = NULL)
vld_ext(x, ext)
Arguments
x |
The object to check. |
ext |
A character vector of the permitted file extensions (without the .). |
x_name |
A string of the name of object x or NULL. |
Value
The chk_
function throws an informative error if the test fails or
returns the original object if successful so it can used in pipes.
The vld_
function returns a flag indicating whether the test was met.
Functions
-
vld_ext()
: Validate File Extension
See Also
Other chk_files:
chk_dir()
,
chk_file()
Examples
# chk_ext
try(chk_ext("file1.pdf", "png"))
# vld_ext
vld_ext("oeu.pdf", "pdf")
vld_ext(toupper("oeu.pdf"), "PDF")
[Package chk version 0.9.2 Index]