Replace File Extension

This function replaces the file extension of a given filename with a specified new extension. It validates the input to ensure the filename and the new extension are single character strings. Then, it replaces the old extension with the new one and returns the modified filename.

Usage

replace_file_extension(filename, new_extension)

Arguments

filename

The input filename as a character string.

new_extension

The new file extension to replace the old one (including the dot, e.g., ".bib").

Value

A character string representing the filename with the replaced file extension.

Author

Ulrich Matter umatter@protonmail.com

Examples

if (FALSE) {
# Replace the file extension of a text file with a BibTeX extension
new_filename <- replace_file_extension("example_document.txt", ".bib")
print(new_filename) # "example_document.bib"
}