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why the Finder froze!!

I had a problem with a small script.
The script was like this:

tell app "Finder"

do some stuff

do some more stuff

now do a 'do shell script'

end tell

The problem was that when I did the 'do shell script' it was WITHIN a Finder app block. As soon as the shell script started, the UNIX command blocked the Finder. So, the Applescript script file itself was blocked while the UNIX commaand was running as well as all of my Finder windows.

The solution is to remove the 'do shell script' command from within the Finder block. I did this by making a subroutine called myDoShellCmd which is placed OUTSIDE of the tell app "Finder" block.

This is a great lesson about the scope of a block. The Finder is not active in a local subroutine called from within a tell app "Finder" block. The subroutine must also have a tell app "Finder" block.
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