d.d 324 B

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  1. #!/usr/bin/env rdmd
  2. // Computes average line length for standard input.
  3. import std.stdio;
  4. void main() {
  5. ulong lines = 0;
  6. double sumLength = 0;
  7. foreach (line; stdin.byLine()) {
  8. ++lines;
  9. sumLength += line.length;
  10. }
  11. writeln("Average line length: ",
  12. lines ? sumLength / lines : 0);
  13. }