Cálculo hash directorios

sha256:

for d in */; do echo -n "$d: "; find "$d" -type f -exec sha256sum {} + 2>/dev/null | awk '{print $1}' | sort | sha256sum | awk '{print $1}'; done

MD5:

for d in */; do echo -n "$d: "; find "$d" -type f -exec md5sum {} + 2>/dev/null | awk '{print $1}' | sort | md5sum | awk '{print $1}'; done

CRC32:

for d in */; do echo -n "$d: "; find "$d" -type f -exec cksum {} + 2>/dev/null | awk '{print $1}' | sort | cksum | awk '{print $1}'; done

xxhsum (requiere paquete):

for d in */; do echo -n "$d: "; find "$d" -type f -exec xxhsum {} + 2>/dev/null | awk '{print $1}' | sort | xxhsum | awk '{print $1}'; done