mdfind ''
find . -name ''
find . -iname ''
find . -name '' -type f -delete
find . -name '' -type d -delete
du -sh * | sort -hr
du -hd {depth} * | sort -hr
| awk '{print $1}`
| wc -c
| cut -c1-{range}
| tr -d '\n'
for i in `ls -1 `; do echo $i; sed -i "" "s/_filename_/${i}/g" $i; done