checking if variable is defined
checking if variable is defined
- Subject: checking if variable is defined
- From: Graff <email@hidden>
- Date: Sun, 21 Dec 2003 02:35:08 -0500
I just noticed a little problem with this, my test to see if the
variable "openedFile" is defined does not work. What is a proper way
to check to see if a variable is defined?
- Ken
On Dec 21, 2003, at 2:29 AM, Graff wrote:
You need to open the file with write permission. You should also
close it after you are done. It is also a good practice to put all
this in a try block so that you can make sure that no matter what
happens the file is closed:
-------------
set theFile to (path to desktop as text) & "mytextfile.txt"
try
set openedFile to open for access theFile with write permission
write "this text" to openedFile
close access openedFile
on error
if openedFile is not "" then
close access openedFile
end if
end try
-------------
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