# count number of files generated per day
find . -type f -printf '%TY-%Tm-%Td\n' | sort | uniq -c
# count number of files generated per hour in last 600 minutes
find . -cmin -600 -type f -printf '%TY-%Tm-%Td-%TH\n' | sort | uniq -c
find . -maxdepth 1 -type f -printf '%TY-%Tm-%Td\n' | awk '{array[$0]+=1}END{ for(val in array) print val" "array[val] }'|sort
