Running bash scripts mac os x

How to run a Unix shell script from the Mac Finder. By Alvin Alexander.

How to make a simple bash script (Mac)

Last updated: September 19 Simple example As a simple example of this, create a file named Test. Put some simple commands in the file, like this: How to determine the current directory If you need to get the full path of the directory where your script was run from, use this command: How to get the current MacOS foreground application name.

How to access a USB drive while in Mac single-user mode. Mac Finder - how to open a new Finder window. Passed out for the first time anniversary. Yoga is about how the Will can free us In a bash script you can use a here document instead:. Then all the text until the limit string is repeated will be fed into the osascript command. Management scripts will run with root privileges.

They may also be run in situations where no user is logged in.

Enabling Drag and drop onto a Shell script

AppleScript requires a user to be logged in and a window server to be present to display the alert. It is generally safer to always check the current user and run the osascript command as the currently logged in user. While all of these examples are simple enough, you can already see that, once you consider all the possible combinations, everything will get fairly complex. Over time I have put together a few bash functions that I use in my scripts.

Even they only cover quite simple workflows, but can be useful as a sample for more complex needs:. In many scripts the author wraps the display dialog command wrapped in a tell statement:.

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The reason for this is that it will ensure that the dialog is displayed on top of all other windows. The activate command will push the targeted process to the front. In most cases this is not necessary, as the dialog will properly display on top of all other windows, even as a standalone command. There may be some weird conditions when other applications are launched in the same time frame, though.

In other cases it may be better to use display notification , anyway. When you try this command in macOS Mojave, the user will be prompted to allow the Terminal application to control the System Events application. Once a user has denied access, they will not be prompted again.

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However, management scripts will usually not be executed from Terminal, but from within the context of an installation script or management agent. It may be possible to pre-approve configurations with a UAMDM configuration profile, but it will be impossible to anticipate all contexts in which your scripts may run. For macOS Mojave it will be better to either modify your script to not wrap the command in a tell statement. Alternatively, you can use a different solution for the UI altogether. MacAdmins need to go through all their management scripts and check for AppleScript UI commands wrapped in tell statements.

When you use the standalone display dialog it will be the AppleScript process itself that displays the dialog. This requires no specific permission. This will also affect scripts using osascript to control or receive data from other applications.

Hi, thanks for this. Quite useful. My question: I can see how it is done for a dialog, but not a notification. Totally custom icons are not possible with AppleScript.

Shell Script Basics

Your email address will not be published. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Skip to content. Do you really need UI? For example, you can change the names of the buttons: C The script will return which button the user clicked.

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However, instead of parsing the output with shell tools, you should let AppleScript do the work: Adding icons You can also add an icon to the dialog: You can also add a path to an icns file: The default answer can be an empty string: