Shell Programming and Scripting

#!/bin/bash
NOW=$(date +"%Y-%m-%d")
LOGFILE=/tmp/myemail.txt

# List the directories and files to process. 
DIR=( "10 hosts are listed here" )
FILE=( List file names here, without directories or slashes )

#############################
# Define functions
#############################

function checkStat
{
    # make sure stat command is installed
    which stat > /dev/null
    if [ $? -eq 1 ]; then
        echo "stat command not found!"
        exit 2
    fi
}

function processFile
{
    if [ -f ${1} ]; then
        VAR="$(stat -c %y ${1})"
        VAR2="${VAR:0:10}"

        if [ $NOW == $VAR2 ]; then
            echo "Current File Found: ${1}" | tee -a ${LOGFILE}
        else
            erroremail=1
            echo "Old File Found: ${1}" | tee -a ${LOGFILE}
        fi
    else
        erroremail=1
        echo "File Not Found: ${1}" | tee -a ${LOGFILE}
    fi
    dirp1=${DIR%*/*/*} ; dirp1=/${dirp1#*/*/}
    dirp2=${DIR#/*/*/*/*}

}

#############################
# Main
#############################

# Verify the stat command exists
checkStat

# Create or clear the log file
echo "" > ${LOGFILE}

# Process the files
for d in ${DIR[@]}; do
    for f in ${FILE[@]}; do
        processFile "${d}/${f}"
    done
done

#############
#Email 
#############

if [ $erroremail -eq 1 ] ; then
       SUBJECT="ERROR: File Problem"
         else
              SUBJECT="OK: File Current"
fi

# Email To ?
EMAIL="somebody@nowhere.com"
# Email text/message
EMAILMESSAGE="/tmp/myemail.txt"
# send an email using /bin/mail
mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE

200 File not found: frogs
100 File older than 1 day: dogs
400 File just created: logs

for x in blah ; do

 ....

...

done | sort | cut -f2- > mail.tmp