38-files-1.dart

// Files | Open and read lines

import 'dart:io';

void main(List<String> arguments) {
  // Get file name
  if (arguments.isEmpty) {
    print("Enter a file name");
    exit(1);
  }

  // Add file in a variable
  final inputFile = arguments.first;

  // Create a variable for file
  final file = File(inputFile);

  /// Read all lines
  /// Return type is List<String>
  final lines = file.readAsLinesSync();

  // Print lines, a list
  print(lines);
}