michebble / wc

A cli word counter written in Go. Exercise to learn how to Go

A cli word counter written in Go. From "Powerful Command-Line Applications in Go"

Setup

Run tests with

$ go test -v

Build program with

$ go build

Usage

The program accepts test via standard input

By default it will count the number of words.

$ echo "This is sample text\nFollowed by more text on a new line" | ./wc
4

Pass the flag -l to count the number of lines instead of words.

$ echo "This is sample text\nFollowed by more text on a new line" | ./wc -l
2

Pass the flag -b to count the number of bytes instead.

$ echo "This is sample text\nFollowed by more text on a new line" | ./wc -b
56