Legacy ImageMagick Discussions Archive

I just started experimenting with ImageMagick.

I am curious if there is an easy way to programmatically discern if an operation worked properly or not.

Is these a status field available after an ImageMagick command is processed?

I have read a bit about logging and debug, but I don't quite understand things.

Thanks,
Brad

How are you using Imagemagick?

At the end you either get a 1 or 0 for sucess or fail although I can not remember which is which; but a good indication is if you have a new image or not

Bonzo,

I was hoping to use ImageMagick as part of an "unattended" process that runs at night. Part of this larger process will be to trim down serveral generated images to a better size.

In your post, you mention that you get either a 0 or a 1. This sounds like exactly what I am looking for. Where are these values stored? How can I access these values?

Thanks,
Brad

Without knowing what you are using to call ImageMagick it is hard to help you.

You can also do various checks of results, as a 'sanity check'.

Typically if IM does fail it will raise an exception (A error of various levels from warning through to fatal).
If no exception is raised then you have a bug!

This is over and above valid return status of a operation, whcih either returnsa Boolean of true (good) or false (bad), when an operation is applied to the given image, OR a new image/NULL if that is what is needed.

Again it is hard to help without knowing your call environment.

Anthony,

Sorry, I should have spelled things out better.

I am planning to call ImageMagick from a Microsoft Access application (VBA). The purpose of the call is to trim off excess white space from images.

I have the call from Access set up and working. This will be part of an unattended automated process. I am trying to figure out how to capture the "return code" from IM in the event that something does not work properly.

Thanks for your assistance.

Brad

Capturing the exception probably makes the best sense.

Possibly see -regard-warnings at http://www.imagemagick.org/Usage/basics/#controls