CSci 1101 Lab 4

CSci 1101 Lab 4. Due Friday Feb. 17th at 10pm

Reminder about sftp

This is just a reminder of basic sftp commands.

Open a terminal window. If the files that you are editing are in a directory other than your home directory, use cd command to switch to this directory.
Type sftp rynite at the command prompt, type in your password when asked
Type cd public_html to get to your public_html directory. If you want to get to a subdirectory of public_html, say, lab3, you can type in cd public_html/lab instead. To create a new directory, type mkdir lab (or any name you want to give to the new directory), followed by cd lab to get into the new directory.
To upload a file to rynite, type in put filename (where you replace filename by the actual file name).
To download a file from rynite, type get filename

Note that the files are moved between your current directory on the lab machine to the current directory on rynite. Some commands that will help you orient yourself and move around in sftp, both on rynite and on the lab machine:

pwd	shows your current directory on rynite
lpwd	shows your current directory on the lab machine
cd	changes your current directory on rynite (`cd ..` brings you one level up)
lcd	changes your current directory on the lab machine (`lcd ..` brings you one level up)
ls	shows your files in the current directory on rynite
lls	shows your files in the current directory on the lab machine
quit or exit	exits sftp

For more commands type ? at the sftp prompt.

If/else exercise

Here is the starting code for this program:


<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!--
Exercise on if/else statements
Author: Elena Machkasova elenam@morris.umn.edu
Last modified: 2/13/06
-->
<?php
$date = $_GET["input"]; // Assuming February 2006
?>
<html>
<head>
<title>
Days of the week
</title>
</head>
<body>
<h2>
<?php
// Sally has a Computer Science class on Tuesdays and Thursdays 
// and Biology on Mondays, Wednesdays, Fridays
// Assuming that $date has the date in February 2006, 
// Make the page print what class she has on a given day, or,
// if it's a weekend, print "Have a nice weekend"

if ( ($date % 7) == 0) {
	print "Today is Tuesday<br/>\n";	// a sample code - need 
	                                        // to change
}
?>
</h2>
</body>
</html>

Your task for this question is to make the program behave as written in the comments. Note that the sample output in the above program is not what's required: you don't need to print out the days of the week, instead you need to say what classes Sally has on the day given as an input or whether it's a weekend.

Some hints:

Use || to combine the conditions. For instance, Sally has a Computer Science class if it's Tuesday or Thursday.
Upload your program to rynite. To test it, type in the path to it and add the input at the end of the URL, for instance ?input=17. Make sure to try your program with different inputs.
If your program is not working, check it carefully. Make sure that all parentheses, brackets, and quotation marks are closed, check the semicolon at the end of each print statement, and make sure that you follow the right format for the if/else or if/elseif statement.
If your program doesn't work and you can't find a mistake, please ask me.
For those who weren't in the lab: When you are done, send me an e-mail with the file name.

This page is a part of CSci 1101 course web site.