[wellylug] Parsing Mail log files

[Cliff Pratt]

Jamie Dobbs wrote:
> I am trying to parse my mail log files to find out the
> number of messages received per day and the total size of
> the messages received.
> 
> The format of the log files is:
> 
>> From xxxxx  Fri Oct 28 14:25:12 2005
> Subject: FW: Emailing: super_cop_1_.wmv Folder:
> ~/Maildir/new/1130462726.5627_0.xxx
> 2442024
> 
> Getting the number of messages per day is pretty easy,
> and I have done in this way"
> 
> for f in ~/Maildir/log*; do echo "$f :" `grep "Folder:"
> "$f" | wc -l`; done
> 
> I would also like to be able to get the total
> bytes/kbytes of the messages received for the day and
> although I can see how it should be done logically I do
> not know how to translate this into a command for a shell
>  script like the above. Logic tells me that we want the
> last "word" of the line starting with the word "Folder:"
> and keep a running total of this. Can anyone advise how I
> can do this?
> 
I'd probably do it in Perl. I feel that it is better at
parsing strings than shell can be, though with awk and grep,
shell can do pretty well.

Cheers,

Cliff