find files based on modification date
find /path/to/dir -newermt "date"
find /path/to/dir -newermt "Feb 07"
find /path/to/dir -newermt "yyyy-mm-dd"
## List all files modified on given date
find /path/to/dir -newermt yyyy-mm-dd ! -newermt yyyy-mm-dd -ls
# Assuming you want to find perl files:
### print all *.pl ###
find /path/to/dir -newermt "yyyy-mm-dd" -print -type f -iname "*.pl"