import { split } from "lib/Array.cms";

input = InputBox("削除する行を指定してください。");

p = pos(input, "-");
if (p > 0) {
  start = left(input, p - 1) - 1;
  deleteCount = mid(input, p + 1) - start;
} else {
  start = input - 1;
  deleteCount = 1;
}

for (y = SelTop; y <= SelBottom; y++) {
  for (x = SelLeft; x <= SelRight; x++) {
    array = split([x,y], "\n");
    array.splice(start, deleteCount);
    [x,y] = array.join("\n");
  }
}