Bash summary online log

#!/bin/bash

# date 
if [ ! $1 ]; then
 echo -e  ' Date required , Examples :20220620'
 exit;
fi
date=$1

# Total log file 
logFile='/home/work/errorlog/error_'$date'.log'
# user 
user='daiyuanpei'
# Delete the original log general act 
rm -rf $logFile
# Get the... Of all machines ip And serial number 
iplist=`get_instance_by_cloudapp -io projectName.pay`
#for The delimiter of is set to newline , It was originally a space and a newline 
IFS=$'\n'
# Cycle all machines 
for i in $iplist
do
  # Get... For each machine ip And serial number 
  ip=`echo $i | awk '{print $2}'`;
  offset=`echo $i | awk '{print $3}'`;
  eachLogFile='/home/work/errorlog/log_'$offset'.log'
  #scp hold log Copy the file 
  scp [email protected]$ip:/home/work/project-name/logs/$date/error.log $eachLogFile
  # Judge that if it is not a file, it will jump out of this cycle 
  if [ ! -f "/home/work/errorlog/log_$offset.log" ];then
    continue
  fi
  # Import each log into the total log 
  awk -v fileno=${offset} '{print fileno,"--",$0}' $eachLogFile >> $logFile
  # Delete each small log file 
  rm -rf $eachLogFile
done