Code: Select all

if (UltraEdit.document.length > 0) {  // Is any file opened?

   var sDate;     // String variable for the date.
   var sDay;      // String variable for the day.
   var iDay;      // Integer variable for the day.
   var sMonth;    // String variable for the month.
   var iMonth;    // Integer variable for the month.
   var sYear;     // String variable for the year.
   var iYear;     // Integer variable for the year.
   var bValid;    // false ... invalid date string
   var iLeapYear; // 0 ... no leap year, 1 ... leap year
   DaysOfMonth = new Array(31,28,31,30,31,30,31,31,30,31,30,31);

   // Set working environment for the script.
   UltraEdit.insertMode();
   if (typeof(UltraEdit.columnModeOff) == "function") UltraEdit.columnModeOff();
   else if (typeof(UltraEdit.activeDocument.columnModeOff) == "function") UltraEdit.activeDocument.columnModeOff();
   UltraEdit.activeDocument.hexOff();
   UltraEdit.ueReOn();

   /* Verify the line termination of the last line of the file
      and insert one if the last line has no line termination. */
   UltraEdit.activeDocument.bottom();
   if (UltraEdit.activeDocument.isColNumGt(1)) {
      UltraEdit.activeDocument.insertLine();
      if (UltraEdit.activeDocument.isColNumGt(1)) {
         UltraEdit.activeDocument.deleteToStartOfLine();
      }
   }
   UltraEdit.activeDocument.top();

   // Run the following loop until end of file is reached.
   while (!UltraEdit.activeDocument.isEof()) {

      // Get next date into string variable.
      UltraEdit.activeDocument.selectWord();
      sDate = UltraEdit.activeDocument.selection;
      bValid = false;
      if (sDate.length == 5) {  // Date string must have a length of 5 characters.

         // Get year, test for valid number and add century.
         // The first 2 characters are for the decimal year.
         sYear = sDate.substr(0,2);
         iYear = parseInt(sYear,10);
         if (!isNaN(iYear)) {

            // The year number is valid, add century.
            iYear += (iYear >= 70) ? 1900 : 2000;
            sYear = String(iYear);

            // Is the year a leap year with 366 days?
            if (((iYear % 400) == 0) || (((iYear % 100) != 0) && ((iYear % 4) == 0))) {
               iLeapYear = 1;
               DaysOfMonth[1] = 29;
            } else {
               iLeapYear = 0;
               DaysOfMonth[1] = 28;
            }

            // Get day and test for valid number.
            sDay = sDate.substr(2,3);
            iDay = parseInt(sDay,10);
            if (!isNaN(iDay)) {

            // The day number is valid, test on value.
               if ((iDay != 0) && (iDay <= (365+iLeapYear))) {

                  // String in the file is valid date string.
                  bValid = true;
                  // Get month for this day.
                  for (iMonth = 0; iDay > DaysOfMonth[iMonth]; iMonth++) {
                     iDay -= DaysOfMonth[iMonth];
                  }
                  iMonth++;
                  // Convert day and month numbers into strings.
                  if( iMonth < 10 ) sMonth = "0" + String(iMonth);
                  else sMonth = String(iMonth);
                  if( iDay < 10 ) sDay = "0" + String(iDay);
                  else sDay = String(iDay);
               }
               else UltraEdit.outputWindow.write(sDate+" contains invalid day value!");
            }
            else UltraEdit.outputWindow.write(sDate+" contains invalid day string!");
         }
         else UltraEdit.outputWindow.write(sDate+" contains invalid year string!");
      }
      else if (sDate.length != 0) UltraEdit.outputWindow.write(sDate+" is an invalid date string!");
      // Replace the existing date string if it was valid.
      if (bValid) UltraEdit.activeDocument.write(sMonth+"/"+sDay+"/"+sYear);
      else UltraEdit.activeDocument.endSelect();
      // Set cursor to start of the next line.
      UltraEdit.activeDocument.key("HOME");
      UltraEdit.activeDocument.key("DOWN ARROW");
   }  // End of while !eof loop.
   UltraEdit.activeDocument.top();
}