Re^2: Checking Age of Files

You can check how old a file is using the -M function.

The OP wants hours, but the doc says (emphasis is mine)

# -M Script start time minus file modification time, in days.

Probably a solution using stat and one of the CPAN Date/Time modules will be needed.

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Re^3: Checking Age of Files by ikegami (Patriarch) on Jan 25, 2010 at 17:49 UTC
It returns a real (as opposed to integer) number of days, so `-M * 24 > 2` should do fine for the OP if he's ok with being off by an hour around DST changes.	[reply] [d/l]
Re^4: Checking Age of Files (-M precision) by toolic (Bishop) on Jan 26, 2010 at 13:23 UTC
That is an extremely useful piece of information which is not at all obvious to a (below-)average Perl user, such as myself. I interpreted "days" to mean that I should not expect it to resolve fractional days, or less than a day. But, it sounds like the actual resolution might be seconds. Is this explicitly mentioned anywhere in the documentation? If not, I think it would be a valuable addition to the -M doc. It would be great if you transferred your knowledge to a patch.	[reply]