07-05-2015
Hi Smiling Dragon, cfajohnson, Scrutinizer, & Aia,
If you look closely at the 1st post in this thread, you'll notice that the request is to find timestamps in unspecified fields in a CSV formatted file where the input timestamps are in the format MM/DD/YYYY HH:MM:SS and the output timestamps are supposed to be one month later in the format DD/Mon/YYYY HH:MM:SS.
So, there is no reason to believe that using / as a field separator on an input line will yield only three fields, that the first field will just contain a month number, nor that the third field will only contain a year and a timestamp. None of the code suggested so far makes any attempt to adjust the output month, to adjust the day field if the output month has fewer days than the input month, nor to adjust the year if the input month is 12.
Three days ago (less than an hour after the original post), I asked the submitter to provide us with more details and to show us what had been tried to solve this problem. I figured that the code that would be shown to us would clarify if the conversion from month number 06 to abbreviated month name Jul was intentional or a typo, would clarify if the field separator in the CSV file format was a comma or some other character, and would clarify whether every input field needed to be processed or if only certain fields need to be processed. Unfortunately, I am still waiting for a response.
This User Gave Thanks to Don Cragun For This Post:
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LEARN ABOUT DEBIAN
chewmail
CHEWMAIL(1) User Contributed Perl Documentation CHEWMAIL(1)
NAME
chewmail - mail archiver
SYNOPSIS
chewmail [OPTIONS] <MAILBOX> ...
DESCRIPTION
chewmail is a program for archiving mail. It is inspired by the by the Python-based archivemail, but with more useful semantics. All mail
is archived to the mailbox specified with the --output-box switch, in mbox format. It can read mailboxes in mbox, Maildir and MH formats.
Internally, chewmail uses Mail::Box, so it support file names and URLs supported by that module.
OPTIONS
-o mailbox-format, --output-box=mailbox-format
The mailbox to archive messages to. The mailbox is run through the Date::Format module, so it supports all it's conversion specifiers.
The date and time is relative to the messages timestamp, or the current time if the timestamp is impossible to determine. A sample of
the conversion specifiers follows:
%% PERCENT
%b month abbr
%B month
%d numeric day of the month, with leading zeros (eg 01..31)
%e numeric day of the month, without leading zeros (eg 1..31)
%D MM/DD/YY
%G GPS week number (weeks since January 6, 1980)
%h month abbr
%H hour, 24 hour clock, leading 0's)
%I hour, 12 hour clock, leading 0's)
%j day of the year
%k hour
%l hour, 12 hour clock
%L month number, starting with 1
%m month number, starting with 01
%n NEWLINE
%o ornate day of month -- "1st", "2nd", "25th", etc.
%t TAB
%U week number, Sunday as first day of week
%w day of the week, numerically, Sunday == 0
%W week number, Monday as first day of week
%x date format: 11/19/94
%y year (2 digits)
%Y year (4 digits)
-d days-old, --days=days-old
Only archive messages older than than this many days.
-D date, --date=date
Only archive messages old than this date. The date can be any date understood by Perl's Date::Parse module.
-R, --only-read
Only archive messages that are marked seen or read.
--delete-immediately
Synchonize the mailboxes after every message is moved. This will be substantially slower but may provide better recovery for some mail-
box formats in the event of a crash.
--preserve-timestamp
Preserve the atime and mtime of the input mailbox. This only affects file-based mailboxes, such as mbox.
-n, --dry-run
Go through all the motions of archiving the mail, but don't actually change any mailboxes.
-v, --verbose
Output more informational messages. Use multiple times for more verbosity.
-q, --quiet
Don't output any messages other than error messages.
-V, --version
Print the version number then exit.
-h, --help
Print usage information then exit.
EXAMPLES
Archive two day old messages in inbox to inbox-old:
chewmail --days 2 -o inbox-old inbox
Archive read messages to a mailbox named the year-month of the message:
chewmail --only-read -o %Y-%m inbox
SEE ALSO
archivemail(1), Date::Parse, Date::Format, Mail::Box
AUTHOR
Eric Dorland <eric@kuroneko.ca>
perl v5.8.8 2006-08-15 CHEWMAIL(1)