Re: Do Shell Script Bug (or feature)
Re: Do Shell Script Bug (or feature)
- Subject: Re: Do Shell Script Bug (or feature)
- From: Christopher Nebel <email@hidden>
- Date: Fri, 1 Jul 2005 13:26:37 -0700
On Jul 1, 2005, at 12:44 PM, Chris Norman wrote:
on process_item(this_item)
do shell script "/opt/local/bin/jhead -cmd \"/opt/local/bin/
jpegtran
-progressive &i &o \" -autorot -n%m-%d-%Y-%H-%M-%S " & this_item
end process_item
So you will see that the jhead tool is not like other command line
tools
that pipe to other tools, and instead uses the -cmd argument to
call onto
jpegtran to do it's thing (which is the -autorot argument) and I am
also
having jhead rename the files according the their EXIF date and time.
So when this script runs, it always tells me that the jpegtran
command can
not be found. I thought it might be something to do just with how
AS was
sending the command line to the system, so I created a shell script
that I
saved, and then called just the shell script, but got the same
error. But
when I run the same exact command from the terminal, things work.
If you plan to be spending a lot of time using "do shell script",
then you should read TN2065, "do shell script in AppleScript" <http://
developer.apple.com/technotes/tn2002/tn2065.html>.
Assuming that /opt/local/bin/jpegtran exists, then this is probably
some sort of quoting bug. The placement of those internal double
quotes looks a bit fishy to me, especially since you say that the "-
autorot" is supposed to be an argument to jpegtran. Exactly what do
you say in Terminal that works?
--Chris Nebel
AppleScript and Automator Engineering
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