Skip to main content
ubuntuask.com

Back to all posts

How to Write A File Per Chunk In A Stream In Elixir?

Published on
3 min read
How to Write A File Per Chunk In A Stream In Elixir? image

Best File Chunk Processing Tools to Buy in October 2025

1 REXBETI 25Pcs Metal File Set, Premium Grade T12 Drop Forged Alloy Steel, Flat/Triangle/Half-round/Round Large File and 12pcs Needle Files with Carry Case, 6pcs Sandpaper, Brush, A Pair Working Gloves

REXBETI 25Pcs Metal File Set, Premium Grade T12 Drop Forged Alloy Steel, Flat/Triangle/Half-round/Round Large File and 12pcs Needle Files with Carry Case, 6pcs Sandpaper, Brush, A Pair Working Gloves

  • DURABLE T12 ALLOY STEEL ENSURES LONG-LASTING CUTTING PERFORMANCE.
  • COMPLETE 25-PIECE SET WITH VARIOUS FILE TYPES FOR ALL PROJECTS.
  • COMFORTABLE, LONG HANDLES FOR EXTENDED, ENJOYABLE USE.
BUY & SAVE
$25.99
REXBETI 25Pcs Metal File Set, Premium Grade T12 Drop Forged Alloy Steel, Flat/Triangle/Half-round/Round Large File and 12pcs Needle Files with Carry Case, 6pcs Sandpaper, Brush, A Pair Working Gloves
2 SCOTTCHEN Hardened File Guide Knife Making Tool, Hardened Metal Hardness up to 55, File Guide For Belt Sander, Knife Makers File Guide

SCOTTCHEN Hardened File Guide Knife Making Tool, Hardened Metal Hardness up to 55, File Guide For Belt Sander, Knife Makers File Guide

  • VERSATILE TOOL: PERFECT FOR SQUARING HIDDEN TANGS AND ALIGNING SCALES.

  • CUSTOMIZABLE FIT: ADJUSTS TO FIT BLADES UP TO 8MM THICK AND 2.5 WIDE.

  • DURABLE QUALITY: MADE FROM HIGH-STRENGTH STEEL FOR LONG-LASTING USE.

BUY & SAVE
$24.99
SCOTTCHEN Hardened File Guide Knife Making Tool, Hardened Metal Hardness up to 55, File Guide For Belt Sander, Knife Makers File Guide
3 KUZURYU 31PCS Metal File Set - 4 Metal Files for Steel and 12 Needle Files with Steel Brush, Tool Bag, Riffler File, 12 Sandpaper and Gloves, Suitable for Metal and Wood Processing

KUZURYU 31PCS Metal File Set - 4 Metal Files for Steel and 12 Needle Files with Steel Brush, Tool Bag, Riffler File, 12 Sandpaper and Gloves, Suitable for Metal and Wood Processing

  • VERSATILE 31-PIECE SET FOR ALL YOUR DIY AND PROFESSIONAL NEEDS.
  • HIGH-STRENGTH FILES WITH LONG-LASTING PERFORMANCE AND DURABILITY.
  • PORTABLE STORAGE BAG KEEPS TOOLS ORGANIZED AND EASY TO CARRY.
BUY & SAVE
$27.99
KUZURYU 31PCS Metal File Set - 4 Metal Files for Steel and 12 Needle Files with Steel Brush, Tool Bag, Riffler File, 12 Sandpaper and Gloves, Suitable for Metal and Wood Processing
4 Hurricane 21 PCS Interchangeable Metal File Set,8 inch File Tool Set Include Flat/Triangle/Half-Round/Round Large Files & 12 Needle Files with Universal Quick Change Handles and Carrying Bag

Hurricane 21 PCS Interchangeable Metal File Set,8 inch File Tool Set Include Flat/Triangle/Half-Round/Round Large Files & 12 Needle Files with Universal Quick Change Handles and Carrying Bag

  • VERSATILE 21-PIECE SET FOR ALL YOUR FILING NEEDS!
  • ERGONOMIC QUICK-CHANGE HANDLE FOR COMFORT AND CONVENIENCE!
  • PREMIUM HIGH-GRADE STEEL FILES FOR PRECISION AND LONGEVITY!
BUY & SAVE
$13.99 $23.99
Save 42%
Hurricane 21 PCS Interchangeable Metal File Set,8 inch File Tool Set Include Flat/Triangle/Half-Round/Round Large Files & 12 Needle Files with Universal Quick Change Handles and Carrying Bag
5 3D Printer Tool Kit, 3D Post-Processing Accessories with Hand Drill, Deburring Tool, Cutter, Needle Files, Scrapers, Brushes, Tweezers, and Nozzle Cleaning Set for 3D Model Finishing

3D Printer Tool Kit, 3D Post-Processing Accessories with Hand Drill, Deburring Tool, Cutter, Needle Files, Scrapers, Brushes, Tweezers, and Nozzle Cleaning Set for 3D Model Finishing

  • ALL-IN-ONE KIT: TOOLS FOR HOBBYISTS AND PROS IN ONE PACKAGE!
  • ACHIEVE PROFESSIONAL FINISHES: SMOOTH, REFINE, AND PERFECT MODELS EASILY.
  • IDEAL GIFT FOR MAKERS: PERFECT FOR 3D PRINTING AND PRECISION PROJECTS!
BUY & SAVE
$19.99 $21.99
Save 9%
3D Printer Tool Kit, 3D Post-Processing Accessories with Hand Drill, Deburring Tool, Cutter, Needle Files, Scrapers, Brushes, Tweezers, and Nozzle Cleaning Set for 3D Model Finishing
6 Garosa 5 inch Rhombic File Wooden Handle Metal File Woodworking Grinding Tool for Processing Glass Ceramics Metalworking(125mm)

Garosa 5 inch Rhombic File Wooden Handle Metal File Woodworking Grinding Tool for Processing Glass Ceramics Metalworking(125mm)

  • ERGONOMIC WOODEN HANDLE FOR COMFORTABLE, LABOR-SAVING USE.
  • VERSATILE TOOL FOR WOODWORKING, GARDENING, AND MORE!
  • DURABLE ELECTROPLATED FINISH FOR LONG-LASTING PERFORMANCE.
BUY & SAVE
$8.85
Garosa 5 inch Rhombic File Wooden Handle Metal File Woodworking Grinding Tool for Processing Glass Ceramics Metalworking(125mm)
7 Small Hand Files Set for Detail and Precise Work, Hardened Alloy Strength Steel File Tools Includes Square,Equaling,Round,Flat Warding,Triangle

Small Hand Files Set for Detail and Precise Work, Hardened Alloy Strength Steel File Tools Includes Square,Equaling,Round,Flat Warding,Triangle

  • HIGH HARDNESS T12 CARBON STEEL ENSURES LASTING CUTTING PERFORMANCE.
  • ERGONOMIC RUBBERIZED HANDLE OFFERS COMFORT IN WET OR SLIPPERY CONDITIONS.
  • VERSATILE NEEDLE FILES SUIT VARIOUS MATERIALS FOR PRECISION PROJECTS.
BUY & SAVE
$3.99
Small Hand Files Set for Detail and Precise Work, Hardened Alloy Strength Steel File Tools Includes Square,Equaling,Round,Flat Warding,Triangle
8 Quacc 10 PCS Diamond Needle File Set Small Metal Riffler Files Miniature Files Tools 140mm for Glass Wood Stone Jewelry

Quacc 10 PCS Diamond Needle File Set Small Metal Riffler Files Miniature Files Tools 140mm for Glass Wood Stone Jewelry

  • PRECISION DETAIL WORK: PERFECT FOR INTRICATE BURR REMOVAL AND SEAM GRINDING.

  • ERGONOMIC DESIGN: NON-SLIP RUBBER HANDLE FOR COMFORT AND DURABILITY.

  • VERSATILE USE: SUITABLE FOR WOOD, METAL, GLASS, AND VARIOUS CRAFTS.

BUY & SAVE
$6.99
Quacc 10 PCS Diamond Needle File Set Small Metal Riffler Files Miniature Files Tools 140mm for Glass Wood Stone Jewelry
+
ONE MORE?

To write a file per chunk in a stream in Elixir, you can use the Stream.chunk/3 function to split the stream into chunks of a specified size. Then, you can use the Enum.each/2 function to iterate over each chunk and write it to a file using the File.write/2 function. This allows you to efficiently process large streams of data without having to load the entire stream into memory at once. By writing each chunk to a separate file, you can effectively manage memory usage and handle potentially large streams of data in Elixir.

What is the purpose of file I/O in Elixir?

The purpose of file I/O in Elixir is to allow the reading and writing of files in the file system. This allows Elixir programs to interact with external files, such as reading configuration files, processing large data sets, or writing log files. File I/O operations in Elixir involve opening, reading, writing, and closing files, as well as handling errors that may occur during these operations.

How to scale file processing tasks in Elixir?

To scale file processing tasks in Elixir, you can follow these steps:

  1. Use Elixir's built-in concurrency mechanisms, such as tasks and processes, to parallelize file processing tasks. This allows you to take advantage of multiple processor cores and handle multiple files simultaneously.
  2. Divide the file processing tasks into smaller chunks or batches, and process them concurrently using tasks or processes. This can help distribute the workload evenly and prevent bottlenecks.
  3. Consider using message passing and supervision trees to manage the file processing tasks effectively. Supervisors can monitor the tasks and restart them if they fail, ensuring that the processing continues smoothly.
  4. Use Elixir's GenStage library for handling backpressure and controlling the flow of data between different stages of the file processing pipeline. This can help prevent overload and ensure efficient resource utilization.
  5. Consider using a distributed file processing framework, such as Flow or Broadway, to scale file processing tasks across multiple nodes or machines. These frameworks provide tools for distributing workloads, managing fault tolerance, and handling complex data processing pipelines.

By following these steps and leveraging Elixir's concurrency features and libraries, you can effectively scale file processing tasks in Elixir and handle large volumes of data efficiently.

How to resume writing files from where it left off in Elixir?

In Elixir, you can resume writing files from where it left off by opening the file in append mode and seeking to the end of the file before writing new content. Here is an example of how to resume writing to a file in Elixir:

file = File.open("example.txt", [:append]) File.seek(file, 0, :end) # Seek to the end of the file

Write new content to the file

File.write(file, "This is new content\n")

File.close(file)

In this example, we first open the file in :append mode, which allows us to write new content to the end of the file. We then use the File.seek/3 function to move the cursor to the end of the file before writing the new content. Finally, we close the file to ensure that the changes are saved.

By following these steps, you can resume writing to a file in Elixir from where it left off without overwriting any existing content.