Google Spreadsheet Script to accept a maximum number of characters

Question:

I am trying to create a spreadsheet to be used in scheduling tweets, and I want to condition the cells to accept 120 characters or less so that I don't have to open Twitter/hootsuite to make sure they are the right length.  How can I do this? Either a warning or an error message would work. Thanks!

Solution:


Following is the script that will show you warning ( as comment ), that is an error message, in the current cell if you exceed the limit of 120 characters.

function onEdit(e)
{
  var activeCell = SpreadsheetApp.getActiveSpreadsheet().getActiveCell();
  var activeCellValue = activeCell.getValue();
  var length = String(activeCellValue).length;
  
  if(length>120)
  {
    activeCell.setComment("Length is greater than 120 characters, Length is: " + length );
    Browser.msgBox("Length is greater than 120 characters, Length is: " + length );
  }
}

And If you are not much familiar with scripts then check out the following link:

http://igoogledrive.blogspot.in/2012/08/how-to-write-script-in-google.html 

I hope the above solution will help you, and if you need more help then please do comment below on this blog itself, I will try to help you out.

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