如何将特定列的数据从一张表复制到另一张表

Question

I have a copySheet script that copies data from one google sheet file to another. I use this for lookups in the destination file. It works great but I want to make some improvements.

• Change lastCol to get the last column in the sheet as with the rows.
• Copy only certain columns from the source (Columns A, D, E) and paste into the destination in order (Columns A, B, C)

I've tried playing around with the script to do this myself for both points but my knoweldge is limited and I haven't been able to get it working.

Here are some example files:

Example - source

Example - destination (script)

This is the script:

  function copySheet()
{
  // Opens the spreadsheet where the data is stored
  var sourceTable = SpreadsheetApp.openById("1sp8XFuOAGEfakS_td0xEiX3birz5ckoHNKvzrLPGTOI"); // Source file
  var srcSheet = sourceTable.getSheetByName("Sheet1");

  // Inserts the data into the target file
  var targetTable = SpreadsheetApp.openById("1i77LO4W2paMraipyC_bgx09P7TAuL2cwEVCNxGnbjhs"); // Target file
  var tarSheet = targetTable.getSheetByName("Sheet1");

  // Gets the last row in the source file
  var lastRowSource = srcSheet.getLastRow();
  var lastCol = "E";

  // Reads the source into an array
  var aSrc = srcSheet.getRange("A1:" + lastCol + lastRowSource).getValues();

  // Save src array to destination
  tarSheet.getRange("A1:" + lastCol + lastRowSource).setValues(aSrc);
  }

Answer 1

You can get the last column with content by using srcSheet.getLastColumn() . Beware, this will retrieve and index (a number) and not a letter, but you don't need to use A1 notation when calling getRange , so you can use this number to indicate which columns to get.

Considering what you want to do, though, I don't think this is useful to achieve your purpose.

In effect, you want to copy specifically columns A, D and E to your destination sheet, at columns A, B, C.

I reworked your code a bit so that it does what you want:

function copySheet() {
  // Opens the spreadsheet where the data is stored
  var sourceTable = SpreadsheetApp.openById("1sp8XFuOAGEfakS_td0xEiX3birz5ckoHNKvzrLPGTOI"); // Source file
  var srcSheet = sourceTable.getSheetByName("Sheet1");

  // Inserts the data into the target file
  var targetTable = SpreadsheetApp.openById("1e6Dqyv14Edwj7JUFjZsM72IOj8Gh4-tMyUV4iGa-x6Q"); // Target file
  var tarSheet = targetTable.getSheetByName("Sheet1");

  // Gets the last row in the source file
  var lastRowSource = srcSheet.getLastRow();
  var originColumns = [1, 4, 5]; // Column indexes to be copied (A, D, E)
  var destColumns = [1, 2, 3]; // Column indexes to copy to (A, B, C)

  // Loop through each column to copy:
  for(var i = 0; i < originColumns.length; i++) {
    var originColumn = originColumns[i]; // Origin column index
    var destColumn = destColumns[i]; // Destination column index
    var originRange = srcSheet.getRange(1, originColumn, lastRowSource); // Origin range to copy
    var destRange = tarSheet.getRange(1, destColumn, lastRowSource); // Destination range to be copied to
    var values = originRange.getValues(); // Getting values from origin column
    destRange.setValues(values); // Setting values to destination column
  }
}

In this code, the column indexes to be copied are defined in two arrays (variables originColumns and destColumns ), and then a for loop is used to iterate through each origin and destination column (copying data from one to the other). This cannot be done in a more systematic way because the columns to be copied (A, D, E) don't follow a specific pattern.

I hope this is useful to you.

Answer 2

The suggested script works for me but is a bit slow to run. Because the source file is having values added to it frequently, I have a trigger setup in the destination file to run the script on open.

I'm using this script that is a bit quicker to run:

function copySheet() {
  // Opens the spreadsheet where the data is stored  
  var sourceTable = SpreadsheetApp.openById("1sp8XFuOAGEfakS_td0xEiX3birz5ckoHNKvzrLPGTOI"); // Source file  
  //Defines source sheet  
  var srcSheet = sourceTable.getSheetByName("Sheet1");  
  // Opens the destination spreadsheet  
  var targetTable = SpreadsheetApp.openById("1i77LO4W2paMraipyC_bgx09P7TAuL2cwEVCNxGnbjhs"); // Target file  
  //Defines destination target sheet  
  var tarSheet = targetTable.getSheetByName("Sheet1");  
  //Retrieves all values from source  
  var srcValues = srcSheet.getDataRange().getValues(); 
  //For each row in source values,creates new array containing columns A(0), D(3) & E(4) inside of trimedValues array  
  var trimmedValues = srcValues.map(function(row) {
    return[row[0],row[3],row[4]];
  })  
  // Save trimmedValues array to destination  
  tarSheet.getRange(1, 1, trimmedValues.length, 3).setValues(trimmedValues);
}