macOS shell scripts to list "ejectable" drives and to eject them all

eject_drives.sh

#!/bin/zsh
# Ejects "ejectable" drives. Use list_drives.sh to validate this will correctly identify and eject the drives you have.
df | egrep df | egrep '^(/dev/disk|exfat).+\s/Volumes' | sed -E 's|.+/(.+)|\1|' | sort | tr '\n' ' ' | sed -E 's|(.+) |💿 \1\n|' | sed -E 's|.+/(.+)|\1|' | xargs -n 1 diskutil eject

list_drives.sh

#!/bin/zsh
# Lists "ejectable" drive names on a single line, suitable for automation widgets.
df | egrep df | egrep '^(/dev/disk|exfat).+\s/Volumes' | sed -E 's|.+/(.+)|\1|' | sort | tr '\n' ' ' | sed -E 's|(.+) |💿 \1\n|' | sed -E 's|.+/(.+)|\1|' | sort | tr '\n' ' ' | sed -E 's|(.+) |💿 \1\n|'