Hello World

This repsoitory contains a number "hello world" programs.

Function

Each program exhibits the following functionality.

1. Print hello world
2. Print programing/scripting language name
3. Execute a FOR loop with 3 iterations and:
   1. Print the iteration number
   2. Print the word beep
   3. Print the system default beep
   4. Add a 1 second sleep timer so that each default beep can play in its entirety

Installation

Prerequisites

Compilers for C++ and Fortran are required. The GNU compilers, etc, can be installed with the following commands.

sudo apt -y install git
sudo apt -y install make
sudo apt -y install gfortran
sudo apt -y install python3

These commands have been collected in the script install_packages.sh.

Cloning

Check out the folder from the repository with one of the following commands.

svn co https://github.com/jonlighthall/hello.git/trunk/ ./hello (SVN)

git clone https://github.com/jonlighthall/hello (Git HTTPS)

git clone git@github.com:jonlighthall/hello.git (Git SSH)

Compiling

Compile the source files and create executables with the following commands.

g++ -o c.exe hello.c (C++)

gfortran -o f.exe hello.f (Fortran)

Alternatively, these commands can be executed by using the make command.

The script files do not need to be compiled.

Executing

The compiled executables can be run using the following commands.

./c.exe

./f.exe

The phython script is executed with either one of the following commands.

./hello.py

python3 hello.py

The bash script is executed with either one of the following commands.

./hello.sh

bash hello.sh

All of the execution commands have been gathered under the make run command.