Convert raw, or any image, to tiff format image file.

raw_to_tiff.swift

import Foundation
import Cocoa

for arg in Process.arguments[1...Process.arguments.count - 1] {
    let fpath = arg.stringByExpandingTildeInPath
    let outpath = fpath.stringByDeletingPathExtension + ".tiff"
    
    let im:NSImage = NSImage(contentsOfFile: fpath)
    let imageData = im.TIFFRepresentation
    
    imageData!.writeToFile(outpath, atomically:true)
}