len

Command that reads stdin and prints its length in bytes, with human-friendly formatting if the output is a terminal.

Installation

Install Cargo, the package manager for the Rust programming language. Then run:

$ cargo install len

Usage

$ cat /usr/share/dict/words | len

2.4 MiB

len will print its output in human-readable format if the output is a terminal, or a plain number otherwise, in which case it is the same as using wc -c.