The Worlds of RSS, XML, HTML, and Linux Meet
Whether you like to think of it as Really Simple Syndication or RDF Site Summary or Rich Site Summary, this lightweight multipurpose extensible metadata description and syndication format is here to...
View ArticleAsk the AnswerSquad!
Q: AnswerSquad, I need your help. Try as I might, I can never seem to keep my users from sucking up all the available disk space. I know I could try using the quota system on my Linux box to keep...
View ArticleWicked Cool Linux
In a lot of ways, Linux seems pretty similar to other modern operating systems, with overlapping windows, a mouse, games, an e-mail program that talks to Outlook, an application that can read and write...
View ArticleShell Scripting Basics
Last month, I began this column by talking about the many different file redirection options available from within the shell, whether you're a bash or csh fan (or some variant thereof). What I...
View ArticleMaking C Shell Jump Through Hoops
By this point in our discussion you should be comfortable with the idea of the three file descriptors associated with the Linux command line: stdin, stdout, and stderr (pronounced 'standard...
View ArticleEverything You Wanted to Know About the Test Command
In the October issue of LWM (Vol. 2, issue 10) I explored the basic logic of conditional execution sequences on the command line, differentiating between '&&' and '||'. If you didn't read it, I...
View ArticleMaking C Shells Jump Through Hoops!
If you've been hanging around programmers at all, you've already learned that they tend to think conditionally. Not, I hasten to say, that they conditionally think (though in some cases that might be...
View ArticleDual Booting Linux on a Mac
What happens when you turn a perfectly good Apple PowerBook into a tri-boot system with Mac OS X, Yellow Dog Linux, and Ubuntu Linux? Read on to find out.read more
View ArticleString and Numeric Test Statements
Last month I talked about the file-related options to the test command and how that helps you create smart and sophisticated shell scripts. This time I want to look at the additional conditions...
View ArticleWicked Cool Linux: Random Numbers and Backticks
After a bit of confusion about what column should appear in what order, I think we're in good shape now and this should be the seventh of my columns you read.read more
View ArticleLoops Within Loops: "hilow.sh"
If the print gods are with us, this time, after seven previous columns, we'll finally have a shell script that you can type in and experiment with. Imagine! The last column addressed the challenges of...
View ArticleScraping Files with Fancy Scripting Tricks
Last month we finally wrapped up the long journey toward creating a useful shell script with the hi-low game. Alright, 'useful' might be a bit of a stretch, but if you've read through all the columns...
View ArticleFormatting HTML in a Script
Last month, I explained how you can use the grep and cut tools to extract specific data fields from complex XML-based files, especially in the Safari web browser's bookmarks file on Mac OS X (yeah, I...
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