Dialogs and alerts are great ways to provide information about a script’s progress, report problems, and allow users to make decisions that affect script behavior.
Displaying Dialogs and Alerts
The same is true if you uninstalled a Mac app downloaded from the Store: installd also handles removing such applications. If you haven’t installed or deleted any applications, installd is likely running because of an update. If you want to see what’s being updated, you can head to the Mac App Store, then to the “Updates” tab. The basic steps to check and kill a process are: Open the Terminal application; List the running processes; Find the process you want to close; Kill the process. 'Exit terminal after running a bash script': Run only your script in the terminal. Without looking at the details what the script does, a script can be directly run inside a terminal with the option -e (-command), without starting a shell - it is used instead of the shell then: gnome-terminal -e./script.sh. Show All Running Apps On Mac Using Force Quit Applications Manager. Another method to check all the Running apps and programs on your Mac is through the Force Quit applications manager on Mac. Click on the Apple icon in the top menu bar of your Mac and then click on Force Quit Application in the drop-down menu (See image below).
Displaying a Dialog
Use the
display dialog command, provided by the Standard Additions scripting addition to show a basic dialog message to the user, such as the one in Figure 22-1. This dialog was produced by the code in Listing 22-1 and Listing 22-2. In these examples, a string is passed to the display dialog command as a direct parameter. The result of the command is the button the user clicked in the dialog.
APPLESCRIPT
Listing 22-1AppleScript: Displaying a simple dialog
Mac Script Check If App Running And Close It App
JAVASCRIPT
Listing 22-2JavaScript: Displaying a simple dialog
Note
This chapter covers a portion of the
display dialog command’s capabilities. For example, the display dialog command can also be used to collect text entered by the user. This is covered in Prompting for Text. For complete information about the display dialog command and its parameters, launch Script Editor, open the Standard Additions scripting addition’s dictionary, and navigate to the command’s definition.
Customizing Dialog Buttons
By default, a dialog produced by the
display dialog command has two buttons—Cancel and OK (the default). However, the command also has numerous optional parameters, some of which can be used to customize the buttons.
Use the
buttons parameter to provide a list of between one and three buttons. You can optionally use the default button parameter to configure one as the default—it’s highlighted and pressing the Return key activates it to close the dialog. You can also use the cancel button parameter to configure one as the cancel button—pressing Escape or Command-Period (.) activates it to close the dialog and produce a user cancelled error.
The dialog shown in Figure 22-2 has been customized to include Don’t Continue (the cancel button) and Continue (the default) buttons. This dialog was produced by the example code in Listing 22-3 and Listing 22-4.
APPLESCRIPT
Listing 22-3AppleScript: Displaying a dialog with custom buttons
JAVASCRIPT
Listing 22-4JavaScript: Displaying a dialog with custom buttons
Adding an Icon to a Dialog
Dialogs can also include an icon, providing users with a visual clue to their importance. You can direct the
display dialog command to a specific icon by its file path, or resource name or ID if the icon is stored as a resource within your script’s bundle. You can also use the standard system icons stop , note , and caution . Listing 22-5 and Listing 22-6 display a dialog that includes the system caution icon like the one shown in Figure 22-3.
APPLESCRIPT
Listing 22-5AppleScript: Displaying a dialog with an icon
JAVASCRIPT
Listing 22-6JavaScript: Displaying a dialog with an icon
Automatically Dismissing a Dialog
Sometimes, you may want to continue with script execution if a dialog isn’t dismissed by a user within a certain timeframe. In this case, you can specify an integer value for the
display dialog command’s giving up after parameter, causing the dialog to give up and close automatically after a specified period of inactivity.
Listing 22-7 and Listing 22-8 display a dialog that automatically closes after five seconds of inactivity.
APPLESCRIPT
Listing 22-7AppleScript: Displaying a dialog that automatically dismisses after a period of inactivity
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JAVASCRIPT
Mac Script Check If App Running And Close It BackListing 22-8JavaScript: JavaScript a dialog that automatically dismisses after a period of inactivity
When using the
giving up after parameter, the result of the display dialog command includes a gaveUp property, a Boolean value indicating whether the dialog was auto-dismissed. This information is useful if you want the script to take a different course of action based on whether a dialog is manually or automatically dismissed.
Displaying an Alert
The
Listing 22-9AppleScript: Displaying an alert with a message
display alert command is also provided by the Standard Additions scripting addition. It’s similar to the display dialog command, but with slightly different parameters. One of the display alert command’s optional parameters is message , which lets you provide additional text to display in a separate text field, below the bolded alert text. Synching phots apps to all devices mac. Listing 22-9 and Listing 22-10 show how to display the alert in Figure 22-4, which contains bolded alert text, plain message text, and custom buttons.
JAVASCRIPT
Listing 22-10JavaScript: Displaying an alert with a message
Note
This chapter covers a portion of the
display alert command’s capabilities. For complete information about the display alert command and its parameters, launch Script Editor, open the Standard Additions scripting addition’s dictionary, and navigate to the command’s definition.
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