R: Query the current input filename

current_input {knitr} | R Documentation

## Query the current input filename

### Description

Returns the name of the input file passed to `knit()`.

### Usage

    current_input(dir = FALSE)

### Arguments

`dir` | Boolean; whether to prepend the current working directory to the file path, i.e. whether to return an absolute path or a relative path.

### Value

A character string, if this function is called inside an input document. Otherwise `NULL`.

[Package knitr version 1.20 Index]