Getting “command not found” error in bash script

Question

I have written a bash script that gets three paths based on input parameters and then then gets the imagename/filename in the path.

Something like:
I provide:

Answer 1

You are using the PATH that is special and used to locate the commands and that is why ls can't be resolved. Use any name other than PATH

if [ $CC = "n" ] ; then  
    MY_PATH=$PATH1  
elif [ $CC = "k" ] ; then  
    MY_PATH=$PATH2  
else  
    MY_PATH=$PATH3  
fi 

export MY_PATH

IMG="`ls $MY_PATH | cut -d "/" -f6`"