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Postsdbo
PO
 

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  1. PO
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    <p>You could also do it using arrays to handle the whole sheet at once :</p> <pre><code>function removeUnique(){ var col = 2 ; // choose the column you want to check for unique elements var sh = SpreadsheetApp.getActiveSheet(); var ss = SpreadsheetApp.getActiveSpreadsheet(); var data=ss.getDataRange().getValues();// get all data data.sort(function(x,y){ // var xp = Number(x[col]);// use these to sort on numeric values // var yp = Number(y[col]); var xp = x[col];// use these for non-numeric values var yp = y[col]; Logger.log(xp+' '+yp); // just to check the sort is OK return xp == yp ? 0 : xp &lt; yp ? -1 : 1;// sort on column col numeric ascending }); var cc=0; var newdata = new Array(); for(nn=0;nn&lt;data.length-1;++nn){ if(data[nn+1][col]==data[nn][col]||cc&gt;0){ newdata.push(data[nn]); ++cc; if(cc&gt;1){cc=0}} } ss.getDataRange().clearContent(); // clear the sheet sh.getRange(1,1,newdata.length,newdata[0].length).setValues(newdata);// paste new values sorted and without unique elements } </code></pre> <p>EDIT : here is the version that keeps all duplicates (the working one)</p> <pre><code>function removeUnique(){ var col = 2 ; // choose the column you want to check for unique elements var sh = SpreadsheetApp.getActiveSheet(); var ss = SpreadsheetApp.getActiveSpreadsheet(); var data=ss.getDataRange().getValues();// get all data data.sort(function(x,y){ // var xp = Number(x[col]);// use these to sort on numeric values // var yp = Number(y[col]); var xp = x[col];// use these for non-numeric values var yp = y[col]; Logger.log(xp+' '+yp); // just to check the sort is OK return xp == yp ? 0 : xp &lt; yp ? -1 : 1;// sort on column col numeric ascending }); var newdata = new Array(); for(nn=0;nn&lt;data.length-1;++nn){ if(data[nn+1][col]==data[nn][col]){ newdata.push(data[nn]); } } if(data[nn-1][col]==data[nn][col]){newdata.push(data[nn])} ss.getDataRange().clearContent(); // clear the sheet sh.getRange(1,1,newdata.length,newdata[0].length).setValues(newdata);// paste new values sorted and without unique elements } </code></pre>
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    1. POHow can I remove rows with unique values? As in only keeping rows with duplicate values?
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    1. USSerge insas
    1. USSerge insas
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    1. COHm, I like this. Only problem is it only takes one duplicate, not if there's more than one. Is there a way to make it pull all rows with duplicate IDs?
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    2. COI'll add a edit with this version.
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      1. USSerge insas
    3. COooops, not yet, buggy ;-)
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