The problem: you return home from a vacation and took a lot of pictures. But not with a single camera. But you now want all images in one place, in chronological order. Here is what to do.
sony
and canon
)# substract 5 minutes and 2 seconds from all dates: exiftool -AllDates-='0:0:0 0:05:02' -overwrite_original canon/*.JPG
mkdir pano mv canon/ST* pano/
out
exiftool '-FileName<DateTimeOriginal' -d out/%Y%m%d-%H%M%S-canon%%-c.%%e canon/*.JPG exiftool '-FileName<DateTimeOriginal' -d out/%Y%m%d-%H%M%S-sony%%-c.%%e sony/*.JPG
nmea2gpx.pl gpx/*.TXT
# Camera is 2 hours and 2 seconds ahead of GPS's GMT for GPX in gpx/*.gpx do gpsPhoto.pl --dir out --gpsfile $GPX --city 'Rome' --country 'Italy' --timeoffset 7202 done