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Table of Contents
PROJECT
PROJECT: Grade Figure-Outerer (gfo0)
Objective
To successfully obtain, input, calculate, and derive your current overall status in the course through the use of a spreadsheet.
Abstraction
As an exercise in toning your abstraction abilities (literally seeing one thing, but understanding and using it as something else), there will be a number of 'generic' terms used throughout this (and other) documents throughout the course, requiring you to substitute in the pertinent information (else face confusion or error).
Some examples:
- yourusername - where you see this (likely in a config file or command-line argument), you are NOT to literally type in y-o-u-r-u-s-e-r-n-a-m-e, but instead, substitute in YOUR lab46 username.
- desig - different classes have different class designations. To make one universal document pertinent to ALL classes, specific examples will instead use 'desig', where you must substitute in the class desig of the class YOU are taking and acting upon in that moment. Example class desigs:
- c4eng - ENGR1050 “C for Engineers”
- cprog - CSCS1320 “C/C++ Programming”
- unix - CSCS1730 “UNIX/Linux Fundamentals”
- data - CSCS2320 “Data Structures”
- discrete - CSCS2330 “Discrete Structures”
- comporg - CSCS2650 “Computer Organization”
- sysprog - CSCS2730 “Systems Programming”
This sort of abstraction is very similar to that we will find in our utilization of variables in programming, where we can have a “name”, but the data associated with it can change based on various conditions.
Do not be a literalist computer! Start to exercise your abstraction abilities.
Locational Awareness
This document is written with TWO locations in mind:
- lab46 (the system you may retrieve resources and SUBMIT projects)
- identified in examples with the use of the lab46:~$ prompt
- your pi (the system you will transfer resources to/from, and WORK ON/COMPLETE projects)
- identified in examples with the use of the yourpi:~$ prompt
There are commands you can ONLY run on one system or the other. Pay attention to any prompt cues in the given examples (or section headings, context of language leading up to any examples).
For example:
- YOU cannot install software on lab46. You don't have access.
- projects CANNOT be SUBMITTED on your pi.
Please pay attention to your prompt, so you can perform the needed activity on the correct system.
Background
For this project, you will be installing the sc spreadsheet on your Raspberry Pi, and creating a spreadsheet using it to tabulate and compute your current status in the class.
Update the package database and apply updates
Don't forget to update the package database and apply any available upgrades:
yourpi:~$ sudo aptitude update ... yourpi:~$ sudo aptitude upgrade ...
Install sc on your Raspberry Pi
To proceed on this project, you will also need to install the 'sc' package:
yourpi:~$ sudo aptitude install sc The following NEW packages will be installed: libncurses5{a} sc 0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 263 kB of archives. After unpacking 606 kB will be used. Do you want to continue? [Y/n/?] y Get: 1 http://raspbian.mirror.constant.com/raspbian buster/main armhf libncurses5 armhf 6.1+20181013-2+deb10u2 [75.3 kB] Get: 2 http://raspbian.mirror.constant.com/raspbian buster/main armhf sc armhf 7.16-4 [188 kB] Fetched 263 kB in 10s (26.1 kB/s) Selecting previously unselected package libncurses5:armhf. (Reading database ... 98655 files and directories currently installed.) Preparing to unpack .../libncurses5_6.1+20181013-2+deb10u2_armhf.deb ... Unpacking libncurses5:armhf (6.1+20181013-2+deb10u2) ... Selecting previously unselected package sc. Preparing to unpack .../archives/sc_7.16-4_armhf.deb ... Unpacking sc (7.16-4) ... Setting up libncurses5:armhf (6.1+20181013-2+deb10u2) ... Setting up sc (7.16-4) ... Processing triggers for man-db (2.8.5-2) ... Processing triggers for libc-bin (2.28-10+rpi1) ... yourpi:~$
sc instructions
There are two sources of information you can reference for sc operation.
manual page
With the installation of sc the manual page is made available for viewing ('q' to quit, up/down pageup/pagedown to view):
yourpi:~$ man sc
sc tutorial
In the manual page there is given reference to an available sc tutorial, also installed with the sc package (tutorial itself tells you how to exit):
yourpi:~$ sc /usr/share/doc/sc/tutorial.sc