Delete a specific file when an app isn't running

[ruiguerreiro]

Hello there,
I would like to automate the maintenance cleaning of my Lightroom's photo preview cache file, which can get really big sometimes. Currently, I go to the folder where it is located and delete it, but I often forget to do so and this huge file builds up in my hard drive.
I know how to automate this in Hazel, but I would like the automation to happen only if Lightroom is not running. Is this possible? How can I tell Hazel to do so?
Thank you so much,
Rui

[Mr_Noodle]

You'd need a script to be able to tell if Lightroom is running. You might want to search around as there should be an AppleScript out there which can check that.

[ruiguerreiro]

You'd need a script to be able to tell if Lightroom is running. You might want to search around as there should be an AppleScript out there which can check that.

Hi there,
Thank you so much. Sadly, although I tried, I wasn’t able to find any post about this type of script. I don’t think that creating a new post will help, so if anyone knows where I can find such a script, I would be grateful.

Thank you so much!

[Mr_Noodle]

Try the following:

Code: Select all

if application "Lightroom" is running then
   return true
else
   return false
end if


Use this as an embedded AppleScript in a rule condition (not action). I can't really give too much support for scripts but the above should be enough to get you on the right course.

[ruiguerreiro]

Try the following:

Code: Select all

if application "Lightroom" is running then
   return true
else
   return false
end if


Use this as an embedded AppleScript in a rule condition (not action). I can't really give too much support for scripts but the above should be enough to get you on the right course.

It think that it works! Thank you so much for taking the time.