Force object to filename

Ensures the output to be a character filename (or vector) from an input image or nifti.

checkimg(file, allow_array = FALSE, ...)

# S4 method for nifti
checkimg(file, allow_array = FALSE, ...)

# S4 method for ANY
checkimg(file, allow_array = FALSE, ...)

# S4 method for character
checkimg(file, allow_array = FALSE, ...)

# S4 method for list
checkimg(file, allow_array = FALSE, ...)

Arguments

file	character or nifti object
allow_array	allow arrays to be passed in
...	options passed to tempimg

Value

character filename of image or temporary nii, with .nii extension

Author

John Muschelli muschellij2@gmail.com