Re: catching multiple errors
Re: catching multiple errors
- Subject: Re: catching multiple errors
- From: Emmanuel <email@hidden>
- Date: Fri, 23 Jun 2006 20:27:00 +0200
At 11:15 AM -0700 6/23/06, Michelle Steiner wrote:
On Jun 23, 2006, at 10:55 AM, Jeremy Matthews wrote:
Does anyone have an example of applescript syntax for catching
multiple errors?
For example, catch errors if people chose to cancel, or if a file
wasn't there, or the preference was changed, etc...
Nested if-then statements within a try block.
try
display dialog "enter the file name" default answer "text.txt"
on error msg number num
if num is -1 then
--do something
else if num is 25 then
--do something else
else if num is -128 then
--do yet another thing
end if
end try
Now, you've got to find out what error numbers you're interested in.
To that effect, willingly trigger the error and have the "try ... on
error" structure display its number:
try
alias "Macintosh HD:the:file:doesn't:exist"
on error number n
display dialog "error number " & n -- will be -43, "File not found"
end
Emmanuel
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