Shell Programming and Scripting

20060313           20080518           20100725           20121015
20060314           20080519           20100726           20121107
20060315           20080520           20100727           20121109
20060316           20080521           20100728           20121115
20060317           20080522           20100729           20121130
20060318           20080523           20100730           20121218

#!/bin/ksh

START=$1
END=$2
FILES=$3
TOT=0
EXCEED=20
## Get dates in the range??????

cd /a/archive/$DATE_CURR
stage *

## Find the number of active tape drives by user 900
ACTIVE_NUM=$(samcmd n|grep '900'|wc -l)

## Throttle if more than 3 tape drives in use by user 900
if [[ ${ACTIVE_NUM} -gt 3 ]]
then
    echo "Users are busy"
    exit
fi

## Find wait time of drives for user 900
    # Get highest wait time of all drives
##    WAIT=$(samcmd n|grep '900'|awk '{print $5}'|sed -e 's/\://g'|sort|tail -1)
    TIME=$(samcmd n|grep '900'|awk '{print $5}'|sort|tail -1)
##    echo ${TIME}
    HOUR=$(echo ${TIME} | cut -f1 -d:)
##    echo ${HOUR}
    MIN=$(echo ${TIME} | cut -f2 -d:)
##    echo ${MIN}
    WAIT=$(echo "${HOUR} * 60 + ${MIN}"|bc)
##    echo ${WAIT:-444}
    # If wait time exceeds threshold, send email
    if [[ ${WAIT} -gt ${EXCEED} ]]
    then
        MSG="$(printf "At least one tape drive has been waiting for ${WAIT} minu
tes\n\n")

$(samcmd n)"
## WAIT HERE ???

## Get number of files processing
for line in $(samcmd n | grep active | awk '{print $6}')
do
    TOT=$(expr ${TOT} + ${line})
done

##printf "Total number of files: $TOT\n\n"

# Check if limit exceeded, if so, send email recording ending spot and exit
if [[ ${TOT} -gt ${FILES} ]]
then
    echo "Staging Limit Exceeded"
    samcmd n|mailx -s "Staging Limit Exceeded" email1@company.com,email2@company.com
    exit
fi

START="20080518"
END="20121015"

EPOCS=$(date -d "$START" +%s)
EPOCE=$(date -d "$END" +%s)

for (( i=$EPOCS; i<=$EPOCE; i=i+3600*24 ))
do
  date -d @$i +%Y%m%d
done

20080518
20080519
20080520
...
20121012
20121013
20121014