Why does Camera Raw change timestamps when passing a file to Photoshop?

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Camera Raw/Bridge has a troubling behavior of changing the time stamp on a file even though it is only passing it through to Photoshop for an edit. In my case, I use the same file .jpg to save multiple revs of different filenames. I don't want the original timestamp changing though as this messes up file views in windows explorer when sorting by date. In my case I have to continually go into the settings and change back and forth the .jpg file opening behavior. Couldn't it just leave the time stamp alone if no changes were made? This problem negates much of the usefulness of using Bridge as a browser. I switch back and forth from 2 of the three jpg handling modes (all supported, those with settings) so often, that I wouldn't mind having a button to toggle this mode. Sometimes your are doing "Photoshop work" and sometimes "photograph editing". Two different work flows. Camera Raw is just not always needed, especially when it takes the liberty of changing the timestamp on the way through.
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Jim T

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Posted 6 years ago

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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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When you open the JPEG file using Camera Raw, you're saving metadata into the file that describes how to process the image when you click "Open" or "Done" in the Camera Raw dialog. With raw files, which are read only, the metadata is either saved in the database or the camera raw side-car files - rather than saving the metadata back into the original file.
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Jim T

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Jeff,

Thanks for your reply.

I do totally understand that behavior, and the technical challenges that the app is faced with. The issue I have is that I sometimes want CR to open files from Bridge, but I'm not always doing the same kind of work, therefore sometimes Camera Raw is not needed. If I'm in photo processing mode, then it is needed. If I'm fullfilling customer orders, I just need to open the original file, resize it (and other editing) and save to a different location for printing. I don't want the time stamp of the original changed if I have moved NO sliders in Camera Raw. That seems fair. When I see CR pop up, I have to cancel, then go into settings, change it, then navigate all the way back to the file and open it again.

Even worse, is when I open a .jpg from photoshop's file menu, or Windows explorer (using "open with") and CR intercepts the jpg that has no prior editing info, and changes its time stamp, again when I have made no changes to it.

1. Maybe a button on Bridge that I could toggle to employ "Go direct to Photoshop" mode?
2. Maybe .jpg files opened from PS file menu could bypass CR always? Optionally this way? There are trade-offs with this suggestion.
3. Best is if CR would just stop changing the time stamp if nothing has actually changed.

I've been using these apps for a long time and I think there better ways that they could work.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Try double-clicking the image in the Bridge window using the Shift key to bypass the ACR dialog.
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Jim T

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Yes Jeff, that does work. That's helpful. Now if I had the same capability from the photoshop file menu and Windows explorer I would be all set. I use those two methods of file opening the most. Now that I know this trick in Bridge I will probably just set up a favorite for the area that I always get these source files from and use Bridge.

I still don't really see how CR gets in between Windows Explorer and PS with though. If you right click and request open with PS (not CR)...must be a Photoshop thing. Oh well maybe someone will see this discussion and add future options to override this in setup.
Thanks
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Wait. Looks like the files still are going through the ACR pipeline with the shift key. My bad.

From the Open Dialog, you can choose your file, and choose JPEG from the format pop-up (instead of Camera Raw). Does that work for you?
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Jim T

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Jeff, Shift key works in conjunction with Bridge. Open Dialog in PS defaults to "All Formats". Nothing I do here prevents CR from intercepting the jpgs on the way to PS.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Ok. Try setting the "Enable:" pop-up to JPEG and the "Format:" to JPEG as well. That's working for me here on a Mac.
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Jim T

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Jeff, Where do I set these options?
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David Franzen, Employee

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First off, I'm not sure I'm seeing the same behavior as you; when I open files that already have Camera Raw settings, and I don't change the settings, then I'm not seeing the file-modification date change. When I open a file that does not already have settings--yes I see the file-mod date change when the initial settings are saved to the XMP, but not when I use the "open with settings" JPEG-handling option.

Some ideas:

Try holding down the shift key when you click the "Open" button in Photoshop's file-open dialog, this will bypass the Camera Raw dialog, even if your preferences are set to always open JPEGs--the JPEGs will open with the settings rendered, but I think this will prevent the modification date change.

Keep the JPEG handling options set to "open with settings" all the time, and when you want to "toggle" to the open-in-Camera-Raw mode for a JPEG, use Bridge's explicit "Open in Camera Raw" command instead of Bridge of Photoshop's normal "Open" command to open the file in the Camera Raw dialog. The explicit command is in Bridge's File menu and the keyboard short cut is ctrl/cmd+R.

Make the JPEG files read-only.

When in the Camera Raw dialog hold down the option key to change the "Open Image" button to "Open Copy". I believe this also prevents the settings from being saved in the original.

In Bridge sort by date-created instead of date-modified. Sorry--I realize you probably have lots of reasons for actually needing to sort by date-modified (your intentional modifications) in your workflow, but I'm just throwing that out there.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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In the open dialog in Photoshop: