UNIX for Beginners Questions & Answers

#!/bin/bash
icdata=data
icinp=input
ictmp=/tmp
iclog=log
key="keys/key"
file="FILE_${date}_NAME"
date=$(date +%Y%m%d)
logname="FILE_${date}_NAME.log"
file="FILE_${date}_NAME"
logdate=$(date +%Y%m%d%H%M%S);
ssh_args=( -o "StrictHostKeyChecking=no" -qni "$key" user@host )
flag="N"


#REMOVING LOG FILES OLDER THAN 30 DAYS

find $iclog -type f -name "FILE_*_NAME.log" -follow -mtime +30 -exec rm {} \; -print


#----Log Errors in Log File---------#

inf_log()
{
        echo "INFO: $@"  >> $iclog/$logname
}

err()
{
        echo "No $@"  >> $iclog/$logname
        exit 1
}


#SFTP CHECK

echo Log BEGIN For $logdate>$iclog/$logname


while [ "$flag" != "Y" ]
do
ssh -T "${ssh_args[@]}"
sftp -oPort=6022 SFTP_USER@10.11.22.33 << EOF
ls -la $file
bye
EOF

if [[ -f $file ]]; then
inf_log "File is available on SFTP for tidal job to retrieve........."
ssh -T "${ssh_args[@]}"
sftp -b - -oPort=6022 SFTP_USER@10.11.22.33 <<EOF >$iclog/$logname
ls -la $file
bye
EOF
flag='Y'
else
sleep 300
fi
done

#-------Mail SFTP status----------------------------#

grep -q '$file' $comlog/$lognm

if [ $? -eq 0 ]; then
        inf_log "File is available!"
        echo "File available - No Actions needed\n"|mailx -s "FILE_${date}_NAME File check Success " me@duh.com
else
        echo "File not yet available - Please call PROVIDER\n"|mailx -s "FILE_${date}_NAME File check Failed " me@duh.com
        err " File is not Found!!! - Please call PROVIDER ASAP"
        exit 1
fi

+ iclog=log
+ key=keys/key
+ file=FILE__NAME
+ date=20190510
+ logname=FILE_20190510_NAME.log
+ file=FILE_20190510_NAME
++ date +%Y%m%d%H%M%S
+ logdate=20190512141350
+ ssh_args=(-o "StrictHostKeyChecking=no" -qni "$key" USER@HOST)
+ flag=N
+ find log -type f -name 'FILE*_NAME.log' -follow -mtime +30 -exec rm '{}' ';' -print
+ echo Log BEGIN For 20190512141350
+ '[' N '!=' Y ']'
+ ssh -T -o StrictHostKeyChecking=no -qni keys/key USER@HOST
+ sftp -oPort=6022 USER1@10.11.22.33
ssh: connect to host 10.11.22.33 port 6022: Connection timed out
Couldn't read packet: Connection reset by peer
+ [[ -f FILE_20190510_NAME ]]
+ sleep 300