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Full Discussion: date manipulating
Top Forums UNIX for Dummies Questions & Answers date manipulating Post 682 by tamer on Sunday 7th of January 2001 11:35:18 AM
Old 01-07-2001
Question

I'm using Kshell scripts cronjobs to logrolling my daily log files and I stamped the log file at the end of the day by date stamp i.e.: %d_%m_%y-LogFile.

but the 22_01_2001-LogFile as example contains 21st Jan data and I want to stamp the log file with previous day.

so I'm trying to subtract one day from the current day but it doesn't work.
like: date +%d-1_%m_%y or date expr +%d - 1 _%m_%y.
or setting the day in variable then subtract one.
like: set today=`/usr/bin/date +%d`
set yesterday=/usr/bin/expr $today - 1

so how can I manipulate the date using date command and subtract a day, week, or moth from the current day.



 

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NNSTATS(1m)															       NNSTATS(1m)

NAME
nnstats - display nnmaster collection and expire statistics SYNOPSIS
nnstats [ -lt ] [ -d month day ] [ -m month ] [ logfile ]... DESCRIPTION
nnstats will extract the collection (C) and expiration (X) entries from the log file and calculate total and average number of articles, groups and elapsed time per day, per month, or for the duration of the whole log file. Normally only a summary for the specified period is printed. If -l is specified, the statistics for each day in the period is also printed, and if -t is specified the summary is not printed. Normally the statistics is collected for all days in the log files (or the current log file if one is not specified). If "-m month" is specified, the statistics for that month is calculated. The month is specified in normal date notation, i.e. a capital- ized three letter abbreviation like Jan, Feb, ... If "-d month day" is specified, the statistics for that date only is calculated and printed. FILES
../Log The log file SEE ALSO
nn(1), nnusage(1M), nnadmin(1M), nnmaster(8) NOTES
If nnmaster is run with options -LCX, nnstats will not work, because the necessary entries are not written to the log file. AUTHORS
Mark Moraes <moraes@csri.toronto.edu> Kim F. Storm <storm@texas.dk> 4th Berkeley Distribution Release 6.6 NNSTATS(1m)
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