README.md

In blockr.io: Interactive File Import and Export Blocks

blockr.io

blockr.io provides file I/O blocks for reading and writing data in various formats. Load CSV, Excel, Parquet, and more through visual interfaces - no code required.

Installation

install.packages("blockr.io")

Or install the development version from GitHub:

# install.packages("pak")
pak::pak("BristolMyersSquibb/blockr.io")

Getting Started

library(blockr.io)
serve(new_board())

This opens a visual interface in your browser. Add blocks using the "+" button and connect them to build data pipelines.

Available Blocks

Read Block

Load data from multiple sources with automatic format detection:

• From Browser: Upload files via drag-and-drop (persisted across sessions)
• From Server: Browse the file system directly
• From URL: Download data from web URLs

Supports CSV, Excel, Parquet, Feather, JSON, SPSS, Stata, SAS, and more.

Write Block

Export data to various formats with two output modes:

• To Browser: Download files directly (recommended for most users)
• To Server: Write to the file system (for automated pipelines)

Supports CSV, Excel, Parquet, and Feather. Multiple inputs become Excel sheets or ZIP archives.

Learn More

See vignette("blockr-io-showcase") for screenshots and detailed examples.

The blockr.io website includes full documentation. For the workflow engine, see blockr.core.

blockr.io documentation built on Jan. 7, 2026, 9:06 a.m.