Is it possible to combine both these commands into one?

[metalhead]

I've written two commands that appear to work fine.  Is it possible to combine them into a single command?

Output before changes:
exiftool -G1 -a -s -time:all -api QuickTimeUTC ".\MK.mp4"

Code Select Expand

[System]        FileModifyDate                  : 2013:05:10 12:17:10+01:00
[System]        FileAccessDate                  : 2019:10:31 14:16:16+00:00
[System]        FileCreateDate                  : 2019:10:31 14:15:20+00:00
[QuickTime]     CreateDate                      : 2013:05:10 21:05:25+01:00
[QuickTime]     ModifyDate                      : 2013:05:10 21:05:25+01:00
[Track1]        TrackCreateDate                 : 2013:05:10 21:05:25+01:00
[Track1]        TrackModifyDate                 : 2013:05:10 21:05:25+01:00
[Track1]        MediaCreateDate                 : 2013:05:10 21:05:25+01:00
[Track1]        MediaModifyDate                 : 2013:05:10 21:05:25+01:00
[Track2]        TrackCreateDate                 : 2013:05:10 21:05:25+01:00
[Track2]        TrackModifyDate                 : 2013:05:10 21:05:25+01:00
[Track2]        MediaCreateDate                 : 2013:05:10 21:05:25+01:00
[Track2]        MediaModifyDate                 : 2013:05:10 21:05:25+01:00

exiftool -CreateDate-=1 -MediaCreateDate-=1 -TrackCreateDate-=1 -FileModifyDate+="0:0:0 8:00:0" -P ".\MK.mp4"
exiftool -api QuickTimeUTC "-QuickTime:ModifyDate<FileModifyDate" "-MediaModifyDate<FileModifyDate" "-TrackModifyDate<FileModifyDate" -P ".\MK.mp4"

Output after changes:

Code Select Expand

[System]        FileModifyDate                  : 2013:05:10 20:17:10+01:00
[System]        FileAccessDate                  : 2013:05:10 20:17:10+01:00
[System]        FileCreateDate                  : 2019:10:31 14:15:20+00:00
[QuickTime]     CreateDate                      : 2013:05:10 20:05:25+01:00
[QuickTime]     ModifyDate                      : 2013:05:10 20:17:10+01:00
[Track1]        TrackCreateDate                 : 2013:05:10 20:05:25+01:00
[Track1]        TrackModifyDate                 : 2013:05:10 20:17:10+01:00
[Track1]        MediaCreateDate                 : 2013:05:10 20:05:25+01:00
[Track1]        MediaModifyDate                 : 2013:05:10 20:17:10+01:00
[Track2]        TrackCreateDate                 : 2013:05:10 20:05:25+01:00
[Track2]        TrackModifyDate                 : 2013:05:10 20:17:10+01:00
[Track2]        MediaCreateDate                 : 2013:05:10 20:05:25+01:00
[Track2]        MediaModifyDate                 : 2013:05:10 20:17:10+01:00

[StarGeek]

They can be combined with the -execute option, but it will still take two passes over the files.

exiftool -CreateDate-=1 -MediaCreateDate-=1 -TrackCreateDate-=1 -FileModifyDate+="0:0:0 8:00:0" -execute -api QuickTimeUTC "-QuickTime:ModifyDate<FileModifyDate" "-MediaModifyDate<FileModifyDate" "-TrackModifyDate<FileModifyDate" -common_args -P ".\MK.mp4"

[Phil Harvey]

I think this can be done in one pass using the -globalTimeShift option:

exiftool -CreateDate-=1 -MediaCreateDate-=1 -TrackCreateDate-=1 -globaltimeshift 8 "-filemodifydate<filemodifydate" -api QuickTimeUTC "-QuickTime:ModifyDate<FileModifyDate" "-MediaModifyDate<FileModifyDate" "-TrackModifyDate<FileModifyDate" ".\MK.mp4"

- Phil

[StarGeek]

Ah, better.  GlobalTimeShift crossed my mind but since there were two different time values being shifted, I didn't give it further thought.

[metalhead]

Thank you.  That works great!