Recursively find directories excluded from Time Machine backup

recursive_tmutil.sh

#!/bin/sh

#NOTE pass a path as a first argument, i.e. `./recursive_tmutil.sh ~/`
find $1 -type directory -exec tmutil isexcluded {} + \
| grep -F "[Excluded]" \
| sed -E 's/^\[Excluded\][[:space:]]*//' \
| awk '{ print length, $0 }' \
| sort -n -s \
| cut -d" " -f2- \
| awk ' { if(length(res) == 0) { res[$0] }; mark=0; for(r in res) { if(match($0, r)== 1){ mark=1; break } }; if(mark==0) res[$0] } END { for (i in res) print i } ' \
| sort