Fixing Bear images when batch exporting (markdown)

FixImages.swift

import Foundation

func main() {
	let fileManager = FileManager.default
	let path = fileManager.currentDirectoryPath
	let url = URL(string: "file://" + path)
	
	
	guard let enumerator = fileManager.enumerator(atPath: path) else {
		fatalError("Directory doesn't exist")
	}
	
	let pattern = "!\\[(.*?)\\]\\(.*?/(.*?)\\)"
	
	while let file = enumerator.nextObject() as? String {
		if file.hasSuffix(".md") {
			
			let fileURL = url?.appendingPathComponent(file, isDirectory: false)
			
			let filename = file.replacingOccurrences(of: ".md", with: "")
			let assetFolder = filename
			.replacingOccurrences(of: ", ", with: "%20")
			.replacingOccurrences(of: " ", with: "%20")
			
			do {
				let contents = try String(contentsOfFile: file)
				let regex = try NSRegularExpression(pattern: pattern, options: .caseInsensitive)
				let range = NSRange(location: 0, length: contents.count)
				let newContent = regex.stringByReplacingMatches(in: contents, options: [], range: range, withTemplate: "![](\(assetFolder)/$2)")
				
				if let safeURL = fileURL {
					try newContent.write(to: safeURL, atomically: true, encoding: String.Encoding.utf8)
				}
				
			} catch { 
				print ("writing file fail: \(error.localizedDescription)")
			}	
		}
	}
}

main()