Split large csv files into smaller ones

There are multiple approaches to split a large file into multiple small files. I am explaining two approaches in this article. The syntax is given below. The command will split the files into multiple small files each with lines.

You can change the line count depending upon your requirement. This is a utility available in Linux OS. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters.

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You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Search for: Search. Approach 1: Using split command Using split command in Linux.

You input the CSV file you want to split, the line count you want to use, and then select Split File. The line count determines the number of output files you end up with. CSV Splitter is the second tool. It splits your CSV into small chunks rapidly, allowing you to determine the line count you want to use. Next up, create a programmable batch file. You can use a batch file to process the CSV into smaller chunks, customizing the file to deliver different chunks.

You'll need to configure the batch file before running. I'll tell you what each command does, and you can alter it to suit the size of your batch file, as well as the required output. Choose a filename, and select Save. Then, select your newly saved text file and press F2 to rename it. Replace the. Now, you can split your large CSV file into smaller output files.

You can use batch files for a wide range of day-to-day tasks. But PowerShell scripts are faster, especially for this type of processing and division. Replace the file location in the first line with your CSV file, then run the script. The script outputs the smaller CSV files in your user directory.

You can find the original script at SPJeff. Your penultimate solution to breaking up a large CSV file into small bits doesn't actually break it down. That's right; you can effectively ignore the Excel line limit and manage the file within the program.

You achieve this by creating a data link to the CSV file, then using Power Pivot to manage the contents. For a full explanation and tutorial, read Jose Barreto's blog detailing the process. Remember, this process doesn't split the CSV into small chunks. However, it does mean you can manipulate the CSV in Excel, which is a very handy alternative.

If you need more tips, find out how to use a Pivot Table for data analysis. There are also online services that break your big CSV file into smaller bits. As with other tools, you define the line count for each file and let it split it up.

However, I didn't have a large CSV file to hand to test with, and, as such, your experience may vary. Split CSV includes premium options, too.