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Automatelearner
Regular Visitor

I have large Csv Data set where i am having more than 900mb data want to convert and create as a new excel.

I am using office script to convert pipe delimiter Csv to Excel using below script. the below  script is working for 14000 records after that, it is throwing an error. I tried to increase batch size in the script still getting the same scount of rows  .

 

function main(workbook: ExcelScript.Workbook, csv: string) {
console.log('Worksheet name: ' + 'Sheet1');
let sheet = workbook.getWorksheet("Sheet1");

// Split the CSV file into rows and columns.
let rows = csv.split("\n");
let columns = rows[0].split("|");

// Remove any extra whitespace.
columns = columns.map((column: string) => column.trim());

// Add the column names to the worksheet.
try {
let headerRange = sheet.getRangeByIndexes(0, 0, 1, columns.length);
headerRange.setValues([columns]);

} catch (error) {
console.log("Error setting header values:", error);
return;
}

// Process the data in batches.
let batchSize = 5000;
let startRow = 2;
let endRow = startRow + batchSize - 1;
let rowCount = 0;

while (startRow <= rows.length) {
let batchRows = rows.slice(startRow - 1, endRow);
let batchData = batchRows.map((row: string) => {
let cells = row.split("|");
return cells.map((cell: string) => cell.trim());
});

try {
let batchRange = sheet.getRangeByIndexes(startRow - 1, 0, batchData.length, batchData[0].length);
batchRange.setValues(batchData);
rowCount += batchData.length;
console.log(`Processed ${rowCount} rows.`);

} catch (error) {
console.log("Error setting batch values:", error);
return;
}

startRow = endRow + 1;
endRow = startRow + batchSize - 1;

if (endRow > rows.length) {
endRow = rows.length;
}
}

console.log(`Finished processing ${rowCount} rows.`);
}

the steps i am following:

Automatelearner_1-1679301048307.png

Automatelearner_2-1679301221681.png

 

Error:

 

{
  "logs": [
    "[2023-03-20T08:33:12.8190Z] Worksheet name: Sheet1",
    "[2023-03-20T08:33:16.8820Z] Processed 5000 rows.",
    "[2023-03-20T08:33:20.5430Z] Processed 10000 rows.",
    "[2023-03-20T08:33:23.9630Z] Error setting batch values:"
  ]
}

 

5 REPLIES 5
Koen5
Solution Sage
Solution Sage

Dear Automatelearner,

 

As a guide in the right direction, since you are running into such nice round numbers, you are likely hitting some limitations on the actions/connectors.

Suggest you read up on the standard limitations build in to some actions/connectors (and maybe even your licensing) and ways to deal with them. View a few suggestions below.

In my experience, most limitations are easily changed or circumvented.

 

PS, only if you have many files which need conversion from csv would I consider going this route. If you only have a few files you might be better off doing this manually.

 

https://powerusers.microsoft.com/t5/Using-Connectors/List-rows-present-in-a-table-Excel/td-p/1597711....

https://chandoo.org/forum/threads/excel-filtering-limit-of-10-000-rows.28327/#:~:text=You%20can%20us....

 

 

Happy flowing,

Koen

grantjenkins
Super User
Super User

Can you try changing the following two sections in your Office Script. I've done some testing and resolves the issue for me (outputs all the rows and successful log). I was initially getting the same error as you were.

 

grantjenkins_0-1679349587815.png

 

grantjenkins_1-1679349599027.png


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@grantjenkins , I have made changes as per the above soln, still getting below error 
{
  "error": {
    "code"502,
    "source""flow-apim-unitedstates-002-eastus-01.azure-apim.net",
    "clientRequestId""d8266511-bb05-4d3b-917c-c1513874b27f",
    "message""The response is not in a JSON format.",
    "innerError""\"Service failed with unhandled exception of type Microsoft.AspNetCore.Server.Kestrel.Core.BadHttpRequestException\""
  }
}

Modified
Script :
function main(workbook: ExcelScript.Workbook, csv: string) {
  console.log('Worksheet name: ' + 'Sheet1');
  let sheet = workbook.getWorksheet("Sheet1");

  // Split the CSV file into rows and columns.
  let rows = csv.split("\n");
  let columns = rows[0].split("|");

  // Remove any extra whitespace.
  columns = columns.map((column: string) => column.trim());

  // Add the column names to the worksheet.
  try {
    let headerRange = sheet.getRangeByIndexes(001, columns.length);
    headerRange.setValues([columns]);

  } catch (error) {
    console.log("Error setting header values:", error);
    return;
  }

  // Process the data in batches.
  let batchSize = 5000;
  let startRow = 2;
  let endRow = startRow + batchSize - 1;
  let rowCount = 0;

  while (startRow <= rows.length - 1) {
    let batchRows = rows.slice(startRow - 1, endRow);
    let batchData = batchRows.map((row: string) => {
      let cells = row.split("|");
      return cells.map((cell: string) => cell.trim());
    });

    try {
      let batchRange = sheet.getRangeByIndexes(startRow - 10, batchData.length, batchData[0].length);
      batchRange.setValues(batchData);
      rowCount += batchData.length;
      console.log(`Processed ${rowCount} rows.`);

    } catch (error) {
      console.log("Error setting batch values:", error);
      return;
    }

    startRow = endRow + 1;
    endRow = startRow + batchSize - 1;

    if (endRow > rows.length - 1) {
      endRow = rows.length - 1;
    }
  }

  console.log(`Finished processing ${rowCount} rows.`);
}


Automatelearner
Regular Visitor

how to split 900 mb file ,as  it is throwing an error maximum file limit is 500mb . i am using get file content control

@Koen5  I have pipe delimite data in csv file, but the scenarios in the above links are Excel file. please let me know if we have any alternate solutions

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