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3. Goodbye Earthlings Mac Os X
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This document shows how to create and download project files for use with the Mac tools from the command line.

Before following these instructions, you should have already downloaded and installed the CLion software (if you haven't, go back and do so).

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Section 1) Testing the Mac and Clang

In this section you will create and run a trivial C++ project/program (including editing it, and seeing how syntax errors are reported).

First, we will perform a one-time only setup.

1. Start a Terminal by clickich the (Mac Terminal icon) on the Dock.

   Perform the following actions in your come directory (mine is Richards-MacBook-Air: ~richardepattis).

   1. Use any editor (vi is automatically available on the Mac; other editors can be downloaded) to update your ~/.bash_profile file to contain the following line at the end (or put it after the other PATH settings in that file; e.g., copy/paste it):
   2. Terminate the Terminal and start a new Terminal (which executes the ~/.bash_project file automatically).
   3. Type echo $PATH and ensure the path you added appears.

   Now we will create directories for use in ICS-46, and create a trivialtest project to ensure the required operations work correctly.

   4. Make an empty directory for all ICS-46 Projects (ics46projects) using the mkdir command.
   5. Connect to the ics46projects directory using the cd command.
   6. Make an empty directory for the Trivial Test Project (trivialtest) using the mkdir command.
   7. Connect to the trivialtest project directory using the cd command.
   8. Use any editor to create a main.cpp file that contains the following code (e.g., copy/paste it):
   9. Create a CMakeLists.txt file that contains the following code (e.g., copy/paste it):
   10. List the contents of the ics46project/trivialtest directory storing these two files, by using the ls command.
   11. Create the make files needed for this project, by using the cmake . command (remember, you will do this just the first time you use a project).
   12. List the contents of the ics46project/trivialtest directory storing the new files it creates (and the new CMakeFiles directory), by using the ls command.
   13. Build the trivialtest file needed to execute this program, by using the make command (you will do this each time that you modify a .cpp file in a project).
   14. List the contents of the ics46project/trivialtest directory storing the new file it creates, by using the ls command.
   15. Run the trivialtest executable file, by using the ./trivialtest command.

   The following ~/ics46projects/trivialtest Terminal window shows all these actions (D through O).

2. Use the finder to navigate to the Macintosh HD/users/yourname/ics46projects/trivialtest directory.

   The following Finder should appear on your screen.

   You can use any combination of Mac OS and Terminal command lines to manipulate the files in this directory: whichever is simplest.

   It would also be useful to make an alias to this ics46projects folder and place it conveniently on the desktop, so you can easliy reach the projects you are working on. Imageranger pro 1 5 4 1263 download free.

3. Edit, rebuild, and rerun the main.cpp program,
   • Use an editor to change the cout to print 'Goodbye, World!'.
   • Show the main.cpp program file, by using the more command.
   • Rebuild the trivialtest file using the same make command. There is no reason to use the cmake command here: it must be used only if we change the CMakeLists.txt file.
   • Rerun the edited trivialtest file, by using the ./trivialtest command.

   The following ~/ics46projects/trivialtest Terminal window shows all these actions.

4. Create a syntax error (remove the ; at the end of the cout line), and then follow the rebuilding/rerunning steps above The following ~/ics46projects/trivialtest Terminal window shows all these actions.

   The failed results of attempting to rebuild the program appear after the make command. In this case, the Clang compiler accurately indicates the source of the error. I have lengthened the window so as not cause lines to wrap.

We will now continue by learning how to download a project and run it. During the quarter, you will be asked to do this for all programming assignments and many quizzes.

Section 2) Testing Downloadable Projects with the Course Libraries

In this section you will download the course libraries and then download/build/run a project that contains various programs that use these libraries.

1. If you have not already done so, make an alias to the folder Macintosh HD/users/yourname/ics46projects named named ics46projects and place it on your desktop.
2. Download and unzip the file template; Copy its three directories (courselib, googletestlib, and test_all_data_types) into the directory that ics46projects aliases; it should already contain the trivialtest directory, created by the operations above.

   Generally, whenever you download projects, you will unzip them and then copy their directories into the directory that ics46projects shortcuts.

   The following ~/ics46projects Terminal window lists these four directories.

3. Connect to the test_all_data_types directory, by using the cd command. Hint: type only cd te and then press the tab key and Terminal should complete the name of this directory; generally using tab for directory/file name completion can drastically reduce your typing in Terminal.

   List the contents of the ics46project/test_all_data_types directory, by using the ls command. Notice that this project folder contiains various .cpp files and a CMakeLists.txt file

   The following ~/ics46projects/test_all_data_types Terminal window shows all these actions.

4. Edit the driver.cpp file by uncommenting lines 30-35, so they appear as follows
5. Build and run the main.cpp program,
   • Create the make files needed for this project, by using the cmake . command (recall you will do this just the first time you use a project).
   • Build the test_all_data_types file needed to execute this program, by using the make command (you will do this each time that you modify a .cpp file in a project).
   • Run the test_all_data_types executable file, by using the ./test_all_data_types command (remember to use command-completion to reduce your typing: but since many file names start with test_ you will have to type test_d (a unique prefix for the exe file) before pressing tab.

   The following ~/ics46projects/test_all_data_types Terminal window shows all these actions.

   Experiment with this driver by entering commands (and their arguments, when prompted) to better understand the set data type. You can enter the q command to terminate the driver, or you can type command-c to terminate the driver.

   I suggest that you try terminating the driver with a q command; then, rerun the program and terminate it with command-c.

6. Using the ics46projects alias (you created in step 1), naviagate to the test_all_data_types project folder.

   The following window should appear on your screen.

7. Double-click the test_all_data_types file to run this program in a Terminal window. The following Terminal window should appear on your screen.

   You can use all commands except the lf command, which is explained below. Then terminate the Terminal window.

8. Find the input files directory in the test_all_data_types folder and copy all of its .txt data files up one level in the directory (the one that contains the test_all_data_types file).

   Then, run the program from a Terminal window (connnected to the test_all_data_types directory) issue the lf command (load from file); when prompted for the file name, just press the enter key to choose the default (loadset.txt).

   The following ~/ics46projects/test_all_data_types Terminal window shows all these actions.

   Note that because the directory name input files contains a space, it appears in double quotes ('input files') in this and most Terminal commands.

   IMPORTANT: If a program reads data files, the root directory for the specifying the files is the directory in which the executable file appears. It is simplest to copy all the data files into this directory. An alternative would be to leave the files in the input files directory, and enter their names like input files/loadset.txt (note no quotes are needed here: this is not a Terminal command).

   When you double-click an executable file to run it (as you did in Step 7) it does not run the program in the expected directory; so a program run this way cannot correctly read files in that directory!

9. A typical project folder may have more than one .cpp file with a main function (as test_all_data_types has). Only one of these .cpp files can have its main function uncommented, otherwise the build will fail. When working on project, it is typical to
   1. Comment-out code in one .cpp file.
   2. Uncomment code in another .cpp file.
   3. Rebuild/Rerun the newly uncommented .cpp file.

   In the test_all_data_types project folder, the driver.cpp file has many main functions: we uncommented one (in step 4) to allow us to run the Set driver. If more than one main function is uncommented, attempting to build the code will result in the compiler specifying a redefinition of 'main' error.

   The test_all_data_types project folder also contains many .cpp files (their names all start with test) that each contain one main function (each is a Googletest for one data type). If more than one file contains a main function, attempting to build the code will result in the linker specifying a multiple definition of 'main' error.

   Slots on mobile phone. To switch this project from running the Set driver to the Set Googletest

   1. Edit the driver.cpp file and comment-out lines 30-35.
   2. Edit the test_set.cpp file and uncomment all its lines.
      Most program editors have a special command that allows commenting on selected lines to be toggeled.

   Rebuild/Rerun the newly uncommented .cpp file.

   The following ~/ics46projects/test_all_data_types Terminal window shows all these actions.

10. IMPORTANT:When downloading all other project folders, Mac users must remove the following two lines from their CMakeLists.txt files.

    These two lines are necessary on PCs to find the Clang C and C++ compilers, but they are not necessary on Macs. I want to supply just one download, and it is easier for Mac users to remove these two lines than for PC users to add them.

    For this document, I provided a link to Mac-compatible CMakeLists.txt files, so this operation was unneeded.

We are now at the end of this handout. You will not need to repeat the first two sections during the course, but you will frequently download project folders and use them as demonstrated in section 2.

I’ve been in IT for years…. 20 odd if you’re counting and I’ve always been a big fan of the Microsoft Windows Operating System. Granted, some have been pretty dire, but I’ve gone through the motions with all of them to try and immerse myself in the Microsoft dream and to be fair I have enjoyed it…

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That being said, over the years I have from time to time dipped my toe into what is known as… ‘The Dark Side’.

I’ve always thought of it as more of a standalone operating system. I’m not sure why, but many of the companies I’ve supported over the years have nearly always had Windows environments.

The odd Mac that sat off the network, wasn’t controlled by Active Directory and was generally left alone by all the IT bods that visited site.

This was mainly from fear of not actually knowing what the hell they were doing with it.

It’s that age-old thing. Once you’ve touched it, that’s it. You touched it last and therefore it’s your problem if it breaks again.

Over the years I’ve owned several Apple laptops and desktops and just seemed to have a fiddle, put it back in the box and that was that.

It never really clicked in my head what the fascination was with Apple… Just use Windows. It’s easier, right?

I’ve always been an iPhone and iPad user, they just work. So, what’s so different with the MacOS?

I factory reset my shiny Microsoft Surface laptop (which I loved) and decided that at 41 I now needed to finally see what all the fuss is about…

Not just have a tinker with it at home but actually work with it … day in day out to see if I could retrain my Microsoft brain to actually use it.

So, the new Mac arrived on a Tuesday morning, I made a start on running through the setup, and to be fair I have done this many times before so it didn’t take too long.

After about 20 mins I was done and logging into Office 365 via the web, pretty straight forward.

I decided I’d take the Mac with me on a little road trip and see how I got on with it whilst out and about.

So, I shut the lid and out I went.

I arrived at the customers site, sat down in the meeting room, opened the lid and pressed the power button.

After about 5 minutes of repeating this I finally got some message about a failed or corrupt operating system which was just what I wanted. Not.

So back in my bag it went, and I ended up taking notes with a pen and pad…

Now who does that in 2019?

On arrival back to the office I erased the disk and reloaded the operating system from the recovery partition and proceed to set it back up again. 20 mins later I was done and back working, I then proceeded to setup and install all the applications that I required, such as office 2016, antivirus, our Two-Factor Authentication product and various other bits and pieces which to be fair was pretty painless.

I then setup various other system preferences such as being able to unlock the device via my apple watch and finger print reader etc… Again all pretty easy.

Now the fun began. After years and years of working with Microsoft Office on a windows operating system I thought, how different can it be?

See Full List On Github.com

5 days in and I think I can live with this. I have learnt that despite the different interface, the use of completely different terminology and a wrath of other stuff, the Mac Operating System is alright.

It doesn’t take THAT much getting used to and if I’m honest it’s pretty simple. It’s quite intuitive to use and I actually like it.

Yep I said it.

It’s still early days but I’m determined to give it a good go. I’m sure along the way I will find things that I think: ‘how rubbish’ and I can honestly say that I’ve already found things that I thought…

Goodbye Earthlings Mac Os X

‘Why don’t they do that in Windows?!’

Anyway, so that’s it… I have finally made the jump and at this stage I’m not going back.

Famous last words.

Name:	Scott Hawkey
Employment Start Date:	Sept 2007
Job Title:	Technical Services Manager
Years in IT	20

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