spreadsheet - Google Docs make custom function refresh -


so have 1 code takes range , reference cell, , returns number of cells same background color ref. works great, want usable when color of of cells changes. put on every minute time based trigger, , tried use spreadsheetapp.flush() uncache current number. did not have desired affect.

i tried make second function used flush() , returned first function. did not work. way know make refresh take "=" beginning of cell function in it, , replace it. code works below.

function countbgcolor(range, ref) {      var sheet = spreadsheetapp.getactivesheet();     var color = sheet.getrange(ref).getbackground();     var range = sheet.getrange(range);     var rangeval = range.getvalues();     var count = 0;     var allcolors = range.getbackgrounds();     (var = 0; < allcolors.length; i++) {         (var j = 0; j < allcolors[0].length; j++) {             if (allcolors[i][j] == color) count += 1;         };     };     return count; }

i couldn't find direct way this. make script clears formula , reenters cell:

function refresh() {    var sheet = spreadsheetapp.getactivesheet();   var range = sheet.getrange('d1');   range.clear();   spreadsheetapp.flush();  range.setformula('=countbgcolor("a1:a10","e1")'); }

next link image script's function: insert > image > in top right menu of image, assign script

sample file:

enter image description here


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