AppImage

Extract the contents of an AppImage

• $ xxd -e foo.AppImage | grep -m 1 73717368

This gives the offset in hex.

• $ unsquashfs -offset XXXXX nvim.appimage

Here XXXXX is the offset in decimal.

Some AppImages

• https://github.com/aferrero2707/gimp-appimage/releases (GIMP_AppImage-release-X.X.X-withplugins-x86_64.AppImage)
• https://github.com/neovim/neovim/releases (nvim.appimage)