Sometimes I look on what I have done and feel very good. This is an example :)) :

<pre lang="bash">
IFS=$(echo -en "\n\b") && 
c=60 && 
for i in $(ls -1v);do 
let c=$c+1; name=$(echo $i | cut -c3-80); 
nname=$c$name; echo mv \"$i\" \"$nname\" >> mv.sh; done 
&& chmod a+x mv.sh