Write to file

---

• Write the content to the file
• Raise exception if cannot open file for writing
• e.g. raise File::NotFoundError if parent directory does not exist

examples/files/write_to_file.cr

if ARGV.size != 2
  puts "Need a filename and the content to write to it on the command line"
  exit 1
end
filename, content = ARGV

File.write(filename, content)