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removingDuplicates.gs
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removingDuplicates.gs
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/**
* Copyright Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// [START apps_script_sheets_remove_duplicates]
/**
* Removes duplicate rows from the current sheet.
*/
function removeDuplicates() {
// [START apps_script_sheets_sheet]
const sheet = SpreadsheetApp.getActiveSheet();
const data = sheet.getDataRange().getValues();
// [END apps_script_sheets_sheet]
const uniqueData = {};
for (let row of data) {
const key = row.join();
// [START apps_script_sheets_duplicate]
uniqueData[key] = uniqueData[key] || row;
// [END apps_script_sheets_duplicate]
}
// [START apps_script_sheets_clear]
sheet.clearContents();
// [START apps_script_sheets_new_data]
const newData = Object.values(uniqueData);
// [END apps_script_sheets_new_data]
sheet.getRange(1, 1, newData.length, newData[0].length).setValues(newData);
// [END apps_script_sheets_clear]
}
// [END apps_script_sheets_remove_duplicates]