#!/bin/bash
TDATE=`date +"%b %-d"`
YDATE=`date -d last-day +"%b %-d"`
last root|grep pts|grep -v still|awk '{print $1","$3","$5,$6","$7","$9","$10}'|grep "$TDATE">last
last root|grep pts|grep -v still|awk '{print $1","$3","$5,$6","$7","$9","$10}'|grep "$YDATE">>last
STDATE=`date -d "$TDATE" +%Y%m%d`
SYDATE=`date -d "$YDATE" +%Y%m%d`
sed -e "s/$TDATE/$STDATE/" last|sed -e "s/$YDATE/$SYDATE/">lastb
TDATE=`date +"%b %-d"`
YDATE=`date -d last-day +"%b %-d"`
last root|grep pts|grep -v still|awk '{print $1","$3","$5,$6","$7","$9","$10}'|grep "$TDATE">last
last root|grep pts|grep -v still|awk '{print $1","$3","$5,$6","$7","$9","$10}'|grep "$YDATE">>last
STDATE=`date -d "$TDATE" +%Y%m%d`
SYDATE=`date -d "$YDATE" +%Y%m%d`
sed -e "s/$TDATE/$STDATE/" last|sed -e "s/$YDATE/$SYDATE/">lastb
TDATE:today
YDATE:yesterday
STDATE:String format today
SYDATE:String format yesterday
lastb:result
YDATE:yesterday
STDATE:String format today
SYDATE:String format yesterday
lastb:result
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/24955184/viewspace-775150/ ，如需转载，请注明出处，否则将追究法律责任。
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