mjstrasser / letter-diamond-elixir

Simple code to generate a diamond-shaped printout of letters from A to Z, implemented in Elixir.

letter-diamond

A simple program that prints out diamond-shaped patterns of letters.

Usage

Run from this directory using:

./go.sh LETTER [LETTER ...]

Where LETTER is an upper- or lower-case letter from A to Z. Lower-case letters are converted to upper-case. Multiple letters can be specified, separated by spaces.

For example:

./go.sh C f
  A
 B B
C   C
 B B
  A
     A
    B B
   C   C
  D     D
 E       E
F         F
 E       E
  D     D
   C   C
    B B
     A

On unrecognised input the program prints the message INVALID INPUT.

Prerequisites

Elixir.

On Mac, Homebrew installs Elixir with:

brew install elixir