Write Your Own wc Tool

This challenge was to build my own version of the Unix command line tool wc!

Challenge Link

Description

This cli tool is a part replica of wc command in linux. It counts the number of lines, words and characters in a file.

Usage

$ go run main.go <filename>

Also, supports reading from standard input if no file is provided to read.

$ cat abcd | go run main.go

Flags

• -l : Prints the number of lines in the file.
• -w : Prints the number of words in the file.
• -c : Prints the number of bytes in the file.
• -m : Prints the number of characters in a file. If the current locale does not support multibyte characters this will match the -c option

If no flag is provided, number of lines, words, and bytes are printed.