Figjam's Travails

Sum the size of dangling docker images docker images --format "{{.Size}}" --filter=dangling=true | awk '{sub(/B$/,""); print $1 }' | numfmt --from=iec | awk 'BEGIN {sum=0} {sum=sum+$1} END {printf "%.0f\n", sum}' | numfmt --to=iec