Code: Select all

if (UltraEdit.document.length > 1)    // Are at least 2 files open?
{
   UltraEdit.insertMode();
   if (typeof(UltraEdit.columnModeOff) == "function") UltraEdit.columnModeOff();
   else if (typeof(UltraEdit.activeDocument.columnModeOff) == "function") UltraEdit.activeDocument.columnModeOff();
   UltraEdit.document[0].hexOff();    // Reference file with the existing numbers.
   UltraEdit.document[1].hexOff();    // Second file with numbers to add, but only the
                                      // new numbers not already existing in first file.
   /* Get first 3 number pairs from first file with just line-feed as delimiter
      into a string. The non-capturing OR expression (?:\r\n|\n|\r|$) is used to
      be independent of line terminator type of source file and the existence
      of a line termination for the last line of the file. */
   UltraEdit.document[0].selectAll();
   var sReference = UltraEdit.document[0].selection.replace(/(\d\d \d\d \d\d).*(?:\r\n|\n|\r|$)/g,"$1\n");
   var asRefNums = sReference.split("\n");
   asRefNums.pop();                   // Remove empty string at end of array.
   UltraEdit.document[0].top();       // Cancel the selection.

   /* Get all lines from second file to an array of
      strings with each string containing one line. */
   UltraEdit.document[1].selectAll();
   var sNumbersToAdd = UltraEdit.document[1].selection.replace(/\r\n|\n|\r/g,"\n");
   var asAddNums = sNumbersToAdd.split("\n");
   /* Remove last string from array if it is an empty string
      because the second file ends with a line termination. */
   if (asAddNums[asAddNums.length-1] == "") asAddNums.pop();
   UltraEdit.document[1].top();       // Cancel the selection.

   /* Search in array with the reference numbers for the
      numbers to add which checking if already present. */
   var asNewNums = new Array();
   for (var nAddIndex = 0; nAddIndex < asAddNums.length; nAddIndex++)
   {
     // Compare always only the first 8 characters of every line.
      var sNumbers = asAddNums[nAddIndex].substr(0,8);
      for (var nRefIndex = 0; nRefIndex < asRefNums.length; nRefIndex++)
      {
         if (asRefNums[nRefIndex] == sNumbers) break;
      }
      // Were the 3 numbers found in the reference file?
      if (nRefIndex == asRefNums.length)
      {  // No. So this line contains really new numbers.
         asNewNums.push(asAddNums[nAddIndex]);
      }
   }

   /* Join the lines with really new numbers and output them,
      if there are any new numbers in the second file at all. */
   if (asNewNums.length > 0)
   {
      var sOutput = asNewNums.join("\r\n");
      UltraEdit.newFile();
      UltraEdit.activeDocument.unixMacToDos();
      UltraEdit.activeDocument.write(sOutput+"\r\n");
      UltraEdit.activeDocument.top();
   }
   else UltraEdit.messageBox("All numbers from second file found in first file!");
}