किसी स्प्रेडशीट में CSV डेटा इंपोर्ट करना

कोडिंग लेवल: इंटरमीडिएट
अवधि: 15 मिनट
प्रोजेक्ट टाइप: समय के हिसाब से ट्रिगर वाला ऑटोमेशन

मकसद

  • यह समझना कि समाधान क्या करता है.
  • जानें कि समाधान में Apps Script की सेवाएं क्या करती हैं.
  • स्क्रिप्ट सेट अप करें.
  • स्क्रिप्ट चलाएं.

इस समाधान के बारे में जानकारी

CSV फ़ाइलों से डेटा को Google Sheets की किसी स्प्रेडशीट में अपने-आप इंपोर्ट करना. अगर आपको एक जैसी स्ट्रक्चर वाली कई CSV फ़ाइलों के साथ काम करना है, तो Sheets में डेटा को एक ही जगह पर इकट्ठा करने के लिए, इस तरीके का इस्तेमाल किया जा सकता है.

Drive में मौजूद फ़ोल्डर और Sheets फ़ाइल का स्क्रीनशॉट

यह कैसे काम करता है

यह स्क्रिप्ट, समय के हिसाब से ट्रिगर होने पर हर दिन चलती है. यह किसी फ़ोल्डर में मौजूद CSV फ़ाइलों को क्रम से चलाता है और हर फ़ाइल का डेटा स्प्रेडशीट में जोड़ता है. डिफ़ॉल्ट रूप से, स्क्रिप्ट शीट की आखिरी पंक्ति में डेटा जोड़ने से पहले, हर CSV डेटासेट की हेडर लाइन हटा देती है. स्क्रिप्ट, इंपोर्ट की गई फ़ाइलों की सूची वाला एक ईमेल भेजती है. साथ ही, डुप्लीकेट प्रोसेसिंग को रोकने के लिए, फ़ाइलों को किसी दूसरे फ़ोल्डर में ले जाती है.

इस स्क्रिप्ट में ऐसे फ़ंक्शन भी शामिल हैं जो इस समाधान को डेमो करने के लिए, सैंपल CSV फ़ाइलों को सेट अप करते हैं.

Apps Script की सेवाएं

यह समाधान इन सेवाओं का इस्तेमाल करता है:

  • स्क्रिप्ट सेवा–समय के हिसाब से ट्रिगर बनाता है.
  • Drive सेवा–इससे वे फ़ोल्डर मिलते हैं जिनका इस्तेमाल, प्रोसेस की गई और प्रोसेस नहीं की गई CSV फ़ाइलों को सेव करने के लिए किया जाता है. अगर ये फ़ोल्डर मौजूद नहीं हैं, तो ये फ़ोल्डर बनाए जाते हैं. खास जानकारी वाले ईमेल में शामिल करने के लिए, Apps Script प्रोजेक्ट का यूआरएल पाता है.
  • स्प्रेडशीट सेवा–स्प्रेडशीट को ऐक्सेस करती है, जहां स्क्रिप्ट हर CSV फ़ाइल का डेटा जोड़ती है.
  • बुनियादी सेवा–उपयोगकर्ता का ईमेल पता और स्क्रिप्ट का टाइम ज़ोन पाने के लिए, Session क्लास का इस्तेमाल करती है.
    • उपयोगकर्ता, स्क्रिप्ट चलाने वाले व्यक्ति के हिसाब से तय होता है. स्क्रिप्ट, समय पर आधारित ट्रिगर पर चलती है. इसलिए, उपयोगकर्ता को उस व्यक्ति के तौर पर परिभाषित किया जाता है जिसने ट्रिगर बनाया है.
    • स्क्रिप्ट, समरी ईमेल में स्क्रिप्ट के चलने की तारीख और समय जोड़ने के लिए, टाइम ज़ोन का इस्तेमाल करती है.
  • उपयोगिता सेवा–यह हर CSV फ़ाइल को एक कलेक्शन में पार्स करती है. इस फ़ंक्शन की मदद से, उस तारीख को फ़ॉर्मैट किया जाता है जिसे स्क्रिप्ट, खास जानकारी वाले ईमेल में जोड़ती है.
  • मेल सेवा–CSV फ़ाइलों से डेटा को स्प्रेडशीट में इंपोर्ट करने के बाद, खास जानकारी वाला ईमेल भेजती है.

ज़रूरी शर्तें

इस सैंपल का इस्तेमाल करने के लिए, आपको ये ज़रूरी शर्तें पूरी करनी होंगी:

  • Google खाता (Google Workspace खातों के लिए, एडमिन की अनुमति की ज़रूरत पड़ सकती है).
  • इंटरनेट का ऐक्सेस वाला वेब ब्राउज़र.

स्क्रिप्ट सेट अप करना

  1. CSV डेटा इंपोर्ट करें वाला Apps Script प्रोजेक्ट खोलने के लिए, इस बटन पर क्लिक करें.
    प्रोजेक्ट खोलना
  2. खास जानकारी पर क्लिक करें.
  3. खास जानकारी वाले पेज पर, कॉपी बनाएं कॉपी बनाने के लिए आइकॉन पर क्लिक करें.

स्क्रिप्ट चलाना

  1. कॉपी किए गए Apps Script प्रोजेक्ट में, SetupSample.gs फ़ाइल पर जाएं.
  2. फ़ंक्शन ड्रॉपडाउन में, setupSample चुनें और रन करें पर क्लिक करें. यह फ़ंक्शन, समय के हिसाब से ट्रिगर, CSV फ़ाइलें, स्प्रेडशीट, और फ़ोल्डर बनाता है. स्क्रिप्ट को चलाने के लिए, इनका इस्तेमाल किया जाता है.

  3. जब आपसे कहा जाए, तब स्क्रिप्ट को अनुमति दें. अगर OAuth की सहमति वाली स्क्रीन पर चेतावनी दिखती है, इस ऐप्लिकेशन की पुष्टि नहीं की गई है, तो बेहतर > {Project Name} पर जाएं (असुरक्षित) को चुनकर जारी रखें.

  4. सेटअप पूरा होने के बाद, समय के हिसाब से ट्रिगर करने की सुविधा देखने के लिए, ट्रिगर पर क्लिक करें.

  5. बनाई गई फ़ाइलें देखने के लिए, Google Drive में [Apps Script सैंपल] CSV फ़ाइलें इंपोर्ट करें फ़ोल्डर खोलें.

  6. Apps Script प्रोजेक्ट पर वापस जाएं और एडिटर में, Code.gs फ़ाइल पर जाएं.

  7. फ़ंक्शन ड्रॉपडाउन में, updateApplicationSheet चुनें और चालू करें पर क्लिक करें.

  8. इंपोर्ट किए गए डेटा वाली स्प्रेडशीट का लिंक और खास जानकारी वाला ईमेल देखने के लिए, अपना ईमेल इनबॉक्स देखें.

(ज़रूरी नहीं) समाधान को रीसेट करना

अपने डेटा से इसे अपडेट करने के लिए, समाधान को रीसेट किया जा सकता है या फिर से डेमो आज़माया जा सकता है.

  1. Apps Script प्रोजेक्ट में, SetupSample.gs फ़ाइल पर जाएं.
  2. फ़ंक्शन ड्रॉपडाउन में, removeSample चुनें और चालू करें पर क्लिक करें. यह फ़ंक्शन, पिछले सेक्शन में बनाए गए ट्रिगर, फ़ाइलों, और फ़ोल्डर को मिटा देता है.

कोड की समीक्षा करना

इस समाधान के लिए Apps Script कोड की समीक्षा करने के लिए, नीचे दिए गए सोर्स कोड देखें पर क्लिक करें:

सोर्स कोड देखें

Code.gs

solutions/automations/import-csv-sheets/Code.js
// To learn more about this script, refer to the documentation: 
// https://developers.google.com/apps-script/samples/automations/import-csv-sheets

/*
Copyright 2022 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.
*/

/** 
 * This file contains the main functions that import data from CSV files into a Google Spreadsheet.
 */

// Application constants
const APP_TITLE = 'Trigger-driven CSV import [App Script Sample]'; // Application name
const APP_FOLDER = '[App Script sample] Import CSVs'; // Application primary folder
const SOURCE_FOLDER = 'Inbound CSV Files'; // Folder for the update files.
const PROCESSED_FOLDER = 'Processed CSV Files'; // Folder to hold processed files.
const SHEET_REPORT_NAME = 'Import CSVs'; // Name of destination spreadsheet.

// Application settings
const CSV_HEADER_EXIST = true;  // Set to true if CSV files have a header row, false if not.
const HANDLER_FUNCTION = 'updateApplicationSheet'; // Function called by installable trigger to run data processing.

/**
 * Installs a time-driven trigger that runs daily to import CSVs into the main application spreadsheet.
 * Prior to creating a new instance, removes any existing triggers to avoid duplication.
 * 
 * Called by setupSample() or run directly setting up the application.
 */
function installTrigger() {

  // Checks for an existing trigger to avoid creating duplicate instances.
  // Removes existing if found.
  const projectTriggers = ScriptApp.getProjectTriggers();
  for (var i = 0; i < projectTriggers.length; i++) {
    if (projectTriggers[i].getHandlerFunction() == HANDLER_FUNCTION) {
      console.log(`Existing trigger with Handler Function of '${HANDLER_FUNCTION}' removed.`);
      ScriptApp.deleteTrigger(projectTriggers[i]);
    }
  }
  // Creates the new trigger.
  let newTrigger = ScriptApp.newTrigger(HANDLER_FUNCTION)
    .timeBased()
    .atHour(23)   // Runs at 11 PM in the time zone of this script.
    .everyDays(1) // Runs once per day.
    .create();
  console.log(`New trigger with Handler Function of '${HANDLER_FUNCTION}' created.`);
}

/**
 * Handler function called by the trigger created with the "installTrigger" function.
 * Run this directly to execute the entire automation process of the application with a trigger.
 * 
 * Process: Iterates through CSV files located in the source folder (SOURCE_FOLDER),
 * and appends them to the end of destination spreadsheet (SHEET_REPORT_NAME).
 * Successfully processed CSV files are moved to the processed folder (PROCESSED_FOLDER) to avoid duplication.
 * Sends summary email with status of the import.
 */
function updateApplicationSheet() {

  // Gets application & supporting folders.
  const folderAppPrimary = getApplicationFolder_(APP_FOLDER);
  const folderSource = getFolder_(SOURCE_FOLDER);
  const folderProcessed = getFolder_(PROCESSED_FOLDER);

  // Gets the application's destination spreadsheet {Spreadsheet object}
  let objSpreadSheet = getSpreadSheet_(SHEET_REPORT_NAME, folderAppPrimary)

  // Creates arrays to track every CSV file, categorized as processed sucessfully or not.
  let filesProcessed = [];
  let filesNotProcessed = [];

  // Gets all CSV files found in the source folder.
  let cvsFiles = folderSource.getFilesByType(MimeType.CSV);

  // Iterates through each CSV file.
  while (cvsFiles.hasNext()) {

    let csvFile = cvsFiles.next();
    let isSuccess;

    // Appends the unprocessed CSV data into the Google Sheets spreadsheet.
    isSuccess = processCsv_(objSpreadSheet, csvFile);

    if (isSuccess) {
      // Moves the processed file to the processed folder to prevent future duplicate data imports.
      csvFile.moveTo(folderProcessed);
      // Logs the successfully processed file to the filesProcessed array.
      filesProcessed.push(csvFile.getName());
      console.log(`Successfully processed: ${csvFile.getName()}`);

    } else if (!isSuccess) {
      // Doesn't move the unsuccesfully processed file so that it can be corrected and reprocessed later.
      // Logs the unsuccessfully processed file to the filesNotProcessed array.
      filesNotProcessed.push(csvFile.getName());
      console.log(`Not processed: ${csvFile.getName()}`);
    }
  }

  // Prepares summary email.
  // Gets variables to link to this Apps Script project.
  const scriptId = ScriptApp.getScriptId();
  const scriptUrl = DriveApp.getFileById(scriptId).getUrl();
  const scriptName = DriveApp.getFileById(scriptId).getName();

  // Gets variables to link to the main application spreadsheet.
  const sheetUrl = objSpreadSheet.getUrl()
  const sheetName = objSpreadSheet.getName()   

  // Gets user email and timestamp.
  const emailTo = Session.getEffectiveUser().getEmail();
  const timestamp = Utilities.formatDate(new Date(), Session.getScriptTimeZone(), "yyyy-MM-dd HH:mm:ss zzzz");

  // Prepares lists and counts of processed CSV files.
  let processedList = "";
  const processedCount = filesProcessed.length
  for (const processed of filesProcessed) {
    processedList += processed + '<br>'
  };

  const unProcessedCount = filesNotProcessed.length
  let unProcessedList = "";
  for (const unProcessed of filesNotProcessed) {
    unProcessedList += unProcessed + '\n'
  };

  // Assembles email body as html.
  const eMailBody = `${APP_TITLE} ran an automated process at ${timestamp}.<br><br>` +
    `<b>Files successfully updated:</b> ${processedCount}<br>` +
    `${processedList}<br>` +
    `<b>Files not updated:</b> ${unProcessedCount}<br>` +
    `${unProcessedList}<br>` +
    `<br>View all updates in the Google Sheets spreadsheet ` +
    `<b><a href= "${sheetUrl}" target=\"_blank\">${sheetName}</a></b>.<br>` +
    `<br>*************<br>` +
    `<br>This email was generated by Google Apps Script. ` +
    `To learn more about this application or make changes, open the script project below: <br>` +
    `<a href= "${scriptUrl}" target=\"_blank\">${scriptName}</a>`

  MailApp.sendEmail({
    to: emailTo,
    subject: `Automated email from ${APP_TITLE}`,
    htmlBody: eMailBody
  });
  console.log(`Email sent to ${emailTo}`);
}

/**
 * Parses CSV data into an array and appends it after the last row in the destination spreadsheet.
 * 
 * @return {boolean} true if the update is successful, false if unexpected errors occur.
 */
function processCsv_(objSpreadSheet, csvFile) {

  try {
    // Gets the first sheet of the destination spreadsheet.
    let sheet = objSpreadSheet.getSheets()[0];

    // Parses CSV file into data array.
    let data = Utilities.parseCsv(csvFile.getBlob().getDataAsString());

    // Omits header row if application variable CSV_HEADER_EXIST is set to 'true'.
    if (CSV_HEADER_EXIST) {
      data.splice(0, 1);
    }
    // Gets the row and column coordinates for next available range in the spreadsheet. 
    let startRow = sheet.getLastRow() + 1;
    let startCol = 1;
    // Determines the incoming data size.
    let numRows = data.length;
    let numColumns = data[0].length;

    // Appends data into the sheet.
    sheet.getRange(startRow, startCol, numRows, numColumns).setValues(data);
    return true; // Success.

  } catch {
    return false; // Failure. Checks for CSV data file error.
  }
}

SampleData.gs

solutions/automations/import-csv-sheets/SampleData.js
/**
 * Copyright 2022 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
 *
 *      http://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.
 */

/** 
 * This file contains functions to access headings and data for sample files.
 * 
 * Sample data is stored in the variable SAMPLE_DATA.
 */

// Fictitious sample data.
const SAMPLE_DATA = {
  "headings": [
    "PropertyName",
    "LeaseID",
    "LeaseLocation",
    "OwnerName",
    "SquareFootage",
    "RenewDate",
    "LastAmount",
    "LastPaymentDate",
    "Revenue"
  ],
  "csvFiles": [
    {
      "name": "Sample One.CSV",
      "rows": [
        {
          "PropertyName": "The Modern Building",
          "LeaseID": "271312",
          "LeaseLocation": "Mountain View CA 94045",
          "OwnerName": "Yuri",
          "SquareFootage": "17500",
          "RenewDate": "12/15/2022",
          "LastAmount": "100000",
          "LastPaymentDate": "3/01/2022",
          "Revenue": "12000"
        },
        {
          "PropertyName": "Garage @ 45",
          "LeaseID": "271320",
          "LeaseLocation": "Mountain View CA 94045",
          "OwnerName": "Luka",
          "SquareFootage": "1000",
          "RenewDate": "6/2/2022",
          "LastAmount": "50000",
          "LastPaymentDate": "4/01/2022",
          "Revenue": "20000"
        },
        {
          "PropertyName": "Office Park Deluxe",
          "LeaseID": "271301",
          "LeaseLocation": "Mountain View CA 94045",
          "OwnerName": "Sasha",
          "SquareFootage": "5000",
          "RenewDate": "6/2/2022",
          "LastAmount": "25000",
          "LastPaymentDate": "4/01/2022",
          "Revenue": "1200"
        }
      ]
    },
    {
      "name": "Sample Two.CSV",
      "rows": [
        {
          "PropertyName": "Tours Jumelles Minuscules",
          "LeaseID": "271260",
          "LeaseLocation": "8 Rue du Nom Fictif 341 Paris",
          "OwnerName": "Lucian",
          "SquareFootage": "1000000",
          "RenewDate": "7/14/2022",
          "LastAmount": "1250000",
          "LastPaymentDate": "5/01/2022",
          "Revenue": "77777"
        },
        {
          "PropertyName": "Barraca da Praia",
          "LeaseID": "271281",
          "LeaseLocation": "Avenida da Pastelaria 1903 Lisbon 1229-076",
          "OwnerName": "Raha",
          "SquareFootage": "1000",
          "RenewDate": "6/2/2022",
          "LastAmount": "50000",
          "LastPaymentDate": "4/01/2022",
          "Revenue": "20000"
        }
      ]
    },
    {
      "name": "Sample Three.CSV",
      "rows": [
        {
          "PropertyName": "Round Building in the Square",
          "LeaseID": "371260",
          "LeaseLocation": "8 Rue du Nom Fictif 341 Paris",
          "OwnerName": "Charlie",
          "SquareFootage": "75000",
          "RenewDate": "8/1/2022",
          "LastAmount": "250000",
          "LastPaymentDate": "6/01/2022",
          "Revenue": "22222"
        },
        {
          "PropertyName": "Square Building in the Round",
          "LeaseID": "371281",
          "LeaseLocation": "Avenida da Pastelaria 1903 Lisbon 1229-076",
          "OwnerName": "Lee",
          "SquareFootage": "10000",
          "RenewDate": "6/2/2022",
          "LastAmount": "5000",
          "LastPaymentDate": "4/01/2022",
          "Revenue": "1800"
        }
      ]
    }
  ]
}


/**
 * Returns headings for use in destination spreadsheet and CSV files.
 * @return {string[][]} array of each column heading as string.
 */
function getHeadings() {
  let headings = [[]];
  for (let i in SAMPLE_DATA.headings)
    headings[0].push(SAMPLE_DATA.headings[i]);
  return (headings)
}

/**
 * Returns CSV file names and content to create sample CSV files.
 * @return {object[]} {"file": ["name","csv"]}
 */
function getCSVFilesData() {

  let files = [];

  // Gets headings once - same for all files/rows.
  let csvHeadings = "";
  for (let i in SAMPLE_DATA.headings)
    csvHeadings += (SAMPLE_DATA.headings[i] + ',');

  // Gets data for each file by rows.
  for (let i in SAMPLE_DATA.csvFiles) {
    let sampleCSV = "";
    sampleCSV += csvHeadings;
    let fileName = SAMPLE_DATA.csvFiles[i].name
    for (let j in SAMPLE_DATA.csvFiles[i].rows) {
      sampleCSV += '\n'
      for (let k in SAMPLE_DATA.csvFiles[i].rows[j]) {
        sampleCSV += SAMPLE_DATA.csvFiles[i].rows[j][k] + ','
      }
    }
    files.push({ name: fileName, csv: sampleCSV })
  }
  return (files)
}

/*
 * Checks data functions are working as necessary.
 */
function test_getHeadings() {
  let h = getHeadings()
  console.log(h);
  console.log(h[0].length);
}

function test_getCSVFilesData() {
  const csvFiles = getCSVFilesData();
  console.log(csvFiles)

  for (const file of csvFiles) {
    console.log(file.name)
    console.log(file.csv)
  }
}

SetupSample.gs

solutions/automations/import-csv-sheets/SetupSample.js
/**
 * Copyright 2022 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
 *
 *      http://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.
 */

/** 
 * This file contains functions that set up the folders and sample files used to demo the application.
 * 
 * Sample data for the application is stored in the SampleData.gs file.
 */

// Global variables for sample setup.
const INCLUDE_SAMPLE_DATA_FILES = true; // Set to true to create sample data files, false to skip.

/**
 * Runs the setup for the sample. 
 * 1) Creates the application folder and subfolders for unprocessed/processed CSV files.
 *    from global variables APP_FOLDER | SOURCE_FOLDER | PROCESSED_FOLDER
 * 2) Creates the sample Sheets spreadsheet in the application folder.
 *    from global variable SHEET_REPORT_NAME 
 * 3) Creates CSV files from sample data in the unprocessed files folder. 
 *    from variable SAMPLE_DATA in SampleData.gs.
 * 4) Creates an installable trigger to run process automatically at a specified time interval.
 */
function setupSample() {

  console.log(`Application setup for: ${APP_TITLE}`)

  // Creates application folder.
  const folderAppPrimary = getApplicationFolder_(APP_FOLDER);
  // Creates supporting folders.
  const folderSource = getFolder_(SOURCE_FOLDER);
  const folderProcessed = getFolder_(PROCESSED_FOLDER);

  console.log(`Application folders: ${folderAppPrimary.getName()}, ${folderSource.getName()}, ${folderProcessed.getName()}`)

  if (INCLUDE_SAMPLE_DATA_FILES) {

    // Sets up primary destination spreadsheet
    const sheet = setupPrimarySpreadsheet_(folderAppPrimary);

    // Gets the CSV files data - refer to the SampleData.gs file to view.
    const csvFiles = getCSVFilesData();

    // Processes each CSV file.
    for (const file of csvFiles) {
      // Creates CSV file in source folder if it doesn't exist.
      if (!fileExists_(file.name, folderSource)) {
        let csvFileId = DriveApp.createFile(file.name, file.csv, MimeType.CSV);
        console.log(`Created Sample CSV: ${file.name}`)
        csvFileId.moveTo(folderSource);
      }
    }
  }
  // Installs (or recreates) project trigger
  installTrigger()

  console.log(`Setup completed for: ${APP_TITLE}`)
}

/**
 * 
 */
function setupPrimarySpreadsheet_(folderAppPrimary) {

  // Creates the report destination spreadsheet if doesn't exist.
  if (!fileExists_(SHEET_REPORT_NAME, folderAppPrimary)) {

    // Creates new destination spreadsheet (report) with cell size of 20 x 10. 
    const sheet = SpreadsheetApp.create(SHEET_REPORT_NAME, 20, 10);

    // Adds the sample data headings.
    let sheetHeadings = getHeadings();
    sheet.getSheets()[0].getRange(1, 1, 1, sheetHeadings[0].length).setValues(sheetHeadings);
    SpreadsheetApp.flush();
    // Moves to primary application root folder.
    DriveApp.getFileById(sheet.getId()).moveTo(folderAppPrimary)

    console.log(`Created file: ${SHEET_REPORT_NAME} In folder: ${folderAppPrimary.getName()}.`)
    return sheet;
  }
}

/**
 * Moves sample content to Drive trash & uninstalls trigger.
 * This function removes all folders and content related to this application.
 */
function removeSample() {
  getApplicationFolder_(APP_FOLDER).setTrashed(true);
  console.log(`'${APP_FOLDER}' contents have been moved to Drive Trash folder.`)

  // Removes existing trigger if found.
  const projectTriggers = ScriptApp.getProjectTriggers();
  for (var i = 0; i < projectTriggers.length; i++) {
    if (projectTriggers[i].getHandlerFunction() == HANDLER_FUNCTION) {
      console.log(`Existing trigger with handler function of '${HANDLER_FUNCTION}' removed.`);
      ScriptApp.deleteTrigger(projectTriggers[i]);
    }
  }
}

Utilities.gs

solutions/automations/import-csv-sheets/Utilities.js
/**
 * Copyright 2022 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
 *
 *      http://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.
 */

/** 
 * This file contains utility functions that work with application's folder and files.
 */

/**
 * Gets application destination spreadsheet from a given folder
 * Returns new sample version if orignal is not found. 
 * 
 * @param {string} fileName - Name of the file to test for.
 * @param {object} objFolder - Folder object in which to search.
 * @return {object} Spreadsheet object.
 */
function getSpreadSheet_(fileName, objFolder) {

  let files = objFolder.getFilesByName(fileName);

  while (files.hasNext()) {
    let file = files.next();
    let fileId = file.getId();

    const existingSpreadsheet = SpreadsheetApp.openById(fileId);
    return existingSpreadsheet;
  }

  // If application destination spreadsheet is missing, creates a new sample version.
  const folderAppPrimary = getApplicationFolder_(APP_FOLDER);
  const sampleSheet = setupPrimarySpreadsheet_(folderAppPrimary);
  return sampleSheet;
}

/**
 * Tests if a file exists within a given folder.
 * 
 * @param {string} fileName - Name of the file to test for.
 * @param {object} objFolder - Folder object in which to search.
 * @return {boolean} true if found in folder, false if not.
 */
function fileExists_(fileName, objFolder) {

  let files = objFolder.getFilesByName(fileName);

  while (files.hasNext()) {
    let file = files.next();
    console.log(`${file.getName()} already exists.`)
    return true;
  }
  return false;
}

/** 
 * Returns folder named in folderName parameter. 
 * Checks if folder already exists,  creates it if it doesn't.
 *
 * @param {string} folderName - Name of the Drive folder. 
 * @return {object} Google Drive Folder
 */
function getFolder_(folderName) {

  // Gets the primary folder for the application.
  const parentFolder = getApplicationFolder_();

  // Iterates subfolders to check if folder already exists.
  const subFolders = parentFolder.getFolders();
  while (subFolders.hasNext()) {
    let folder = subFolders.next();

    // Returns the existing folder if found.
    if (folder.getName() === folderName) {
      return folder;
    }
  }
  // Creates a new folder if one doesn't already exist.
  return parentFolder.createFolder(folderName)
    .setDescription(`Supporting folder created by ${APP_TITLE}.`);
}

/** 
 * Returns the primary folder as named by the APP_FOLDER variable in the Code.gs file.
 * Checks if folder already exists to avoid duplication.
 * Creates new instance if existing folder not found.
 *
 * @return {object} Google Drive Folder
 */
function getApplicationFolder_() {

  // Gets root folder, currently set to 'My Drive'
  const parentFolder = DriveApp.getRootFolder();

  // Iterates through the subfolders to check if folder already exists.
  const subFolders = parentFolder.getFolders();
  while (subFolders.hasNext()) {
    let folder = subFolders.next();

    // Returns the existing folder if found.
    if (folder.getName() === APP_FOLDER) {
      return folder;
    }
  }
  // Creates a new folder if one doesn't already exist.
  return parentFolder.createFolder(APP_FOLDER)
    .setDescription(`Main application folder created by ${APP_TITLE}.`);
}

/**
 * Tests getApplicationFolder_ and getFolder_
 * @logs details of created Google Drive folder.
 */
function test_getFolderByName() {

  let folder = getApplicationFolder_()
  console.log(`Name: ${folder.getName()}\rID: ${folder.getId()}\rURL:${folder.getUrl()}\rDescription: ${folder.getDescription()}`)
  // Uncomment the following to automatically delete test folder.
  // folder.setTrashed(true);

  folder = getFolder_(SOURCE_FOLDER);
  console.log(`Name: ${folder.getName()}\rID: ${folder.getId()}\rURL:${folder.getUrl()}\rDescription: ${folder.getDescription()}`)
  // Uncomment the following to automatically delete test folder.
  // folder.setTrashed(true);

  folder = getFolder_(PROCESSED_FOLDER);
  console.log(`Name: ${folder.getName()}\rID: ${folder.getId()}\rURL:${folder.getUrl()}\rDescription: ${folder.getDescription()}`)
  // Uncomment the following to automatically delete test folder.
  // folder.setTrashed(true);


}

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