02-10-2007
Advice on Script
I would like some advice on how to logically put together a script to handle a daily task of data gathering for the following problem.
I have two files, file1 has 125,000 records that I cut and remove unwanted fields through scripts and cron. In file2, I have 25000 records that has the same data as file1 plus one extra field of data. I would like the records from file2 (25,000) to replace entries in file1 with the extra data which would then be file3.
I hope I can express this clearly and appreicate any help.
Eample:
file1
00:01:A6:A9:3A:7E|20070103_120040|1|8|0|0|
00:0A:73:1F:13:54|20070103_120041|1|8|0|0|
00:40:7B:D6:74:E8|20070103_120041|1|8|0|0|
file2
00:01:A6:A9:3A:7E|20070103_120040|1|8|0|0|6 days
00:0A:73:1F:13:54|20070103_120041|1|8|0|0|37 day
00:40:7B:D6:74:E8|20070103_120041|1|8|0|0|24 days
file3
00:01:A6:A9:3A:7E|20070103_120040|1|8|0|0|6 days
00:0A:73:1F:13:54|20070103_120041|1|8|0|0|37 day
00:40:7B:D6:74:E8|20070103_120041|1|8|0|0|24 days
00:0A:73:25:B9:EC|20070103_120039|1|7|0|0|
00:01:A6:96:48:60|20070103_120040| | | | |
00:01:A6:A9:3A:7E|20070103_120040|1|8|0|0|
00:0A:73:1F:13:54|20070103_120041|1|8|0|0|
00:40:7B:D6:74:E8|20070103_120041|1|8|0|0|
00:0A:73:23:BA:A8|20070103_120042| | | | |
Last edited by Perderabo; 02-10-2007 at 04:26 PM..
Reason: Disable smilies for readability
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LEARN ABOUT OPENDARWIN
sa2
sa2(8) BSD System Manager's Manual sa2(8)
NAME
sa2 -- Generate a system activity daily report file.
SYNOPSIS
/usr/lib/sa/sa2 [-dgpu] [-n mode] [-e time] [-f filename] [-i seconds] [-s time]
DESCRIPTION
The sa2 command is a shell script used to invoke the system activity reporter sar for purposes of generating the standard default daily
report file. The report file generated is, /var/log/sa/sardd where the dd represents the current day of the month. The sa2 options are the
same as those documented in sar(1).
When sa2 runs, it will also remove data and report files, found in /var/log/sa, that are more than one week old.
The sa2 command is intended to be started by cron.
EXAMPLE CRON ENTRY
# Starting at 8am collect system activity records
# every 20 minutes for 12 hours
# 20 minutes = 1200 seconds
# 12 hours with 3 samples each hour = 36 loops
0 8 * * 1-5 /usr/lib/sa/sa1 1200 36
# After the 12 hour period,
# collect a system activity report
30 20 * * 1-5 /usr/lib/sa/sa2 -A
FILES
/var/log/sa/sardd Default daily report file.
/var/log/sa/sadd Default daily data file.
dd are digits that represent the day of the month.
SEE ALSO
sa1(8), sadc(8), sar(1), iostat(8), vm_stat(1), netstat(1), top(1), sc_usage(1), fs_usage(1), crontab(1), crontab(5)
Mac OS X Jul 25 2003 Mac OS X