03-09-2014
Parsing Bulk Data
Hi All,
Actullay I am looking for a smart way
to parse files in a directory whose count is around 2000000
in a single day.
Find is working with me but taking a lot of times
, sometimes even a day which is not helping me.
So anyone can help me know a smart way to get my desired data from a 2000000 files.
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LEARN ABOUT MINIX
calendar
CALENDAR(1) General Commands Manual CALENDAR(1)
NAME
calendar - reminder service
SYNOPSIS
calendar [-] [-r]
OPTIONS
- Work for every user and send mail to him
-r Restrict multiple execution on the same day
EXAMPLES
calendar # Check calendar file in current directory
calendar # Normary used under the control of cron(8)
calendar -r # Normary used in /etc/rc file
DESCRIPTION
Basically calendar program consults the file calendar in the current directory and display lines which contain today's or tomorrow's date.
Month-day formats such as '12/25', 'Dec. 25', 'december 25', '*/25', '12/*', '*/*' are recognized. The asterisk means 'all' days or 'all'
months. On weekends 'tomorrow' extends through next Monday without any consideration about holidays. To prevent ambiguity, the formats
'25 Dec.' and '25/12' are not recognized.
When an argument - is present, calendar works for all users with a file calendar in their login directories and sends them mail. Normally
this is done daily under the control of cron.
The -r option does its the same job as - option, but touches the calendar to prevents further access on the same day. Normally this is
done in the /etc/rc file on a machine which may be booted several times in one day.
SEE ALSO
cron(8).
CALENDAR(1)