Re: do shell script gotcha
Re: do shell script gotcha
- Subject: Re: do shell script gotcha
- From: Donald Hall <email@hidden>
- Date: Tue, 25 Feb 2003 22:44:20 -0700
Chris,
Thanks very much for the suggestion. This is what I ended up with:
try
do shell script "test -e " & POSIX path of myFile
on error
-- myFile doesn't exist, must create it
end try
I was unable to get Chris Nebel's suggestion to work. An error was
always returned whether the file existed or not.
Don
On Tuesday, February 25, 2003, at 01:48 AM, Donald Hall wrote:
>
set shellResult to do shell script "ls myFile"
>
if shellResult is "" or (offset of "No" in shellResult is not equal
>
to 0) then -- file not found
odd - on my Jaguar system I still get the string...here's a different
way to test for a file in the shell
set noFile to false
try
do shell script "test -e ~/.profile"
on error
set noFile to true
end try
There are all sorts of fun things that "test" can do. the "-e" succeeds
if a file of any type exists with the name specified. In this case test
will return 0. If the file doesn't exist test returns 1 which causes do
shell script to throw an error...
hope this helps.
8)
----------------------------------
Chris Janton - face at CentosPrime dot COM
Netminder for Opus1.COM
--
Donald S. Hall, Ph.D.
Apps & More Software Design, Inc.
email@hidden
http://www.appsandmore.com
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