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One-line Bash shell script Just ls, grep, and sed Quiz Quick, what does the following Unix/Linux command do? $ ls -R | grep "^[.]/" | sed -e "s/:$//" -e "s/[^\/]*\//--/g" -e "s/^/ |/" If you said, "Well, that's obvious; it shows a graphical representation of the current subfolders.", you'd be correct. Example You can use the command to create a program called tree that would work something like th
Use the default browser to open a web page from a Swing application Java Desktop library Before Java 6 there was no built-in way to launch the user's default browers. DesktopBrowser.java String url = "https://dna-engine.org/"; java.awt.Desktop.getDesktop().browse(java.net.URI.create(url)); The above code uses the Desktop library introduced in Java 6, so it will not work with Java 5. The Bare Bone
How to create a macOS installer for a Java application (.jar) (Updated for macOS 13 Ventura) This information is for an older version of macOS. For more current information, visit: Mac Java! It's easy to turn your Java Swing program (.jar) into a proper macOS application with a native installer. The instructions below step you through the process from scratch with a sample program called "Show Tim
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