By Arnold Robbins
It’s uncomplicated: with the intention to have interaction deeply with Mac OS X, Linux, and different Unix-like structures, you want to know the way to paintings with the Bash shell. This concise little publication places the entire crucial information regarding Bash correct at your fingertips.
You’ll fast locate solutions to the aggravating questions that mostly arise whilst you’re writing shell scripts: What characters do you want to cite? How do you get variable substitution to just do what you will have? How do you utilize arrays? up to date for Bash model 4.4, this ebook has the solutions to those and different difficulties in a layout that makes shopping fast and easy.
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Extra info for Bash Pocket Reference: Help for Power Users and Sys Admins (2nd Edition)
Using tell Statements When you want to target a program with your commands, you have to let AppleScript know which program to talk to. For such purposes, the tell statement is your best friend. Say you want the Finder to open your Home folder, so you can copy some files onto your desktop. To do this, enter these commands in Script Editor, then click Run: tell application "Finder" activate open home end tell Everything after the tell command is directed at the program you specifyin this case, the Finder.
Figure 1-10. If you've never seen an AppleScript before, you may be surprised at how simple the code looks. As you can probably guess from the commands in the window, this script simply opens the Applications folder in the Finder. 34 Part I: AppleScript Overview Part I: AppleScript Overview 35 At this point, you can click the Run button to see what the script actually does (in this case, the script opens a new Finder window and takes you to the Applications folder). 2. Analyzing How It Works The next step in working with a script, of course, is understanding how the script actually works.
You can run, rename, and organize these scripts, as described on the preceding pages. But if you're just starting to learn AppleScript, these scripts can be lifesavers. Not only can you examine how the scripts work, but you can also make changes and see how they affect the scripts' behavior. Best of all, if you get stuck when writing a new AppleScript, you can copy some of the code from the Script Menu's scripts and paste that code right into your own script. 1. Opening a Script The first step in working with a script, of course, is opening it up.