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I'm using a bash shell in Mac OS X. I have a 'Eclipse' folder on my Desktop with the launcher icon in it, and I'm trying to open the app like this:

cd Desktop
cd Eclipse
Eclipse.app

But this gives me an error: -bash: Eclipse.app: command not found

Why?

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migrated from stackoverflow.com Jul 4 '12 at 19:52

This question came from our site for professional and enthusiast programmers.

1  
What does not working mean? Crash? Error message? Daemons flying out of your nose? – H2CO3 Jul 4 '12 at 18:58
    
Oh yeah sorry, i get a command not found: -bash: Eclipse.app: command not found – JBoy Jul 4 '12 at 19:00
    
OK see my answer. – H2CO3 Jul 4 '12 at 19:00

You're trying to launch an OS X app.

In OS X only, you use the open command for this:

cd Desktop/Eclipse
open Eclipse.app

open is much more versatile than this, and will also open files using the associated program.

To learn more about open, type this in the Terminal:

man open

As already mentioned, open is OS X specific.

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Very useful, thank you pb2q, – JBoy Jul 4 '12 at 19:04

Eclipse .app is a directory. Use this instead:

cd Desktop/Eclipse/Eclipse.app
./Eclipse
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In Mac you should use open. It's not only help you open the application but it also open specific file extension with the default application. Like open <pdf> will activate preview.

For more information man open

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