Convert Apple DiskCopy 4.2 images to standard disk images

To convert an Apple DiskCopy 4.2 image (detectable by the file utility), you need to ignore the first 0x54 (decimal 84) bytes of the file.

Cookbook

Convert one file

tail --bytes=+85 filename

Convert a directory of files

for f in *.image
do
    tail --bytes=+85 "$f" > "extracted/$f"
done