UNIX for Dummies Questions & Answers

#!/bin/bash

for i in {1..1536..1}
do
    #find  /home/test/Desktop/up111/workplace/Malware/$i/logs

    for a in  /home/test/Desktop/up111/workplace/Malware/$i/logs/*
    do
        #max=a
        for b in  /home/test/Desktop/up111/workplace/Malware/$i/logs/* 
        do  
            echo "$a and $b are getting compared"
             # var1 contains size of file a
            var1=$(stat -c%s $a)
            # var2 contains size of file b
            var2=$(stat -c%s $b)
            if [[ "$var1" -lt "$var2" ]]
            then
                $a = $b
            
            fi
            
        done
    done

    cp /home/test/Desktop/up111/workplace/Malware/$i/logs/$max -R  /home/test/Desktop/up111/workplace/pre11
done

 ls -t <dir>| head -1

 
ls -l | grep -v "^d" | sort -r -k5 | awk '{if(NR==1)print $NF}'