[CentOS] how to tell if a file is older than 30 days?

[Bowie Bailey]

From: Jerry Geis [mailto:geisj at pagestation.com]
> 
> I am trying to find out how to tell if a given file is 30 days or older.
> How is that type of thing done in shell scripts.

find directoryname -mtime +30 -print

Will list all files in a directory that have not been modified in the last
30 days.

Read the man page for 'find'.  It can find files based on almost anything.

Bowie