Process filenames to ensure nifti and consistency

Source: R/preprocess_mri_across.R

Takes input and output filename, ensures the same file extension, copies files, and checks all are character

process_filenames(files, outfiles, force_nii = TRUE, copyfiles = TRUE)

Arguments

files

input filenames
outfiles

output filenames
force_nii

Force output filenames to have .nii
copyfiles

copy files to outfiles

Value

List of 2 elements: files of the filenames and outfiles of output filenames