read every cell in a column google app script

To read every cell in a column using Google Apps Script, you can follow these steps:

1. First, you need to get the active sheet in the current spreadsheet. You can use the getActiveSheet() method from the SpreadsheetApp class to achieve this.

2. Next, you will need to specify the range of cells you want to read. In this case, you'll want to read every cell in a specific column. You can use the getRange() method from the Sheet class and provide the desired column letter and range, such as "A:A" for column A.

3. Once you have the range, you can use the getValues() method from the Range class to retrieve an array of values from the specified range. This will give you all the cell values in the column.

4. To iterate over each cell in the column, you can use a for loop and the length property of the values array to determine the number of cells. You can access each cell value using the array index, starting from 0.

Here's an example code snippet that demonstrates reading every cell in a column using Google Apps Script:

function readColumn() {
  var sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
  var range = sheet.getRange("A:A");
  var values = range.getValues();

  for (var i = 0; i < values.length; i++) {
    var cellValue = values[i][0];
    // Do something with the cell value
    Logger.log(cellValue);
  }
}

In this example, the readColumn() function retrieves the active sheet, specifies the range as column A, and then logs each cell value in column A to the Logger. You can modify the code inside the loop to perform any desired actions with each cell value.

Remember to replace the Logger.log() line with your own logic to process the cell values as needed.