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07-14-2008
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Delete files older than 3 months.(read date from the name of the file)
Guys,
My log files stored in the date format format below(log_20080714072942): TIMESTAMP=`date +%Y%m%d%H%M%S` LOG=/log/log_${TIMESTAMP}.log I'm looking for a shell script which deletes all files which is older than 3 months from today. Regards, Bhagat |
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07-14-2008
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IM not gonna write the whole script for you but this should get you started:
#Current Day of Month d=`date +%d` #current Month m=`date +%m` #current Year on 4 digit format y=`date +%Y` TARGET=$(date -u -d '2008-07-13 00:00:00' '+%F %T.%N %Z') CURRENT=$(date -u -d'$Y-$m-$d 00:00:00' '+%F %T.%N %Z') #function to get the diff of 2 dates diff () { printf '%s' $(( $(date -u -d"$TARGET" +%s) - $(date -u -d"$CURRENT" +%s))) # %d = day of month. } # $DAYS will equal the diff of $CURRENT and $TARGET, Below numbers are 60 = Minutes per hour, 24 = Hours perday DAYS=$(( $(diff) / 60 / 60 / 24 )) |
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07-14-2008
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Also just an example, with mysql
 Code:
mirus scripts # logdate=`echo log_20080214072942 | egrep -o 'log_[0-9]{6}' | egrep -o '[0-9]{6}'`
mirus scripts # echo $logdate
200802
mirus scripts # month_diff=`mysql -u root -sABNe "SELECT PERIOD_DIFF(DATE_FORMAT(CURDATE(), '%Y%m'), '$logdate')"`
mirus scripts # echo $month_diff
5
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