Shell Programming and Scripting

dirx=JPG
cd "$dirx"

for (( i=1; i<=60; i++))
do
  mkdir $i

done

dirx=JPG
cd "$dirx"
ls *.jpg > List
start=1

for (( i=1; i<=60; i++))
do
# mkdir $i
  end=`expr $start +200`
  sed -n "$start,$end"p List|xargs -i cp {} $i
  $start=$end
done

cd JPG
files=`ls *.jpg` #getting only the picture files
j=0
k=0
for i in $files #reading file names one by one from the list
do
if [[ $j -eq 0 || $j%200 -eq 0 ]] #creating the directory if the file is first one as well as numbe of files is 200 multiples such as 200,400,600,etc.,
then
mkdir JPG$k #creating the directory JPG0,JPG1,JPG2,etc.,
dir="Dir$k"
cp $i $dir #copying the files to directory
let k+=1
let j+=1
else
cp $i $dir #copying the files to directory
let j+=1 #incrementing the counter to know the number of files
fi
done

12 sed -n "$start,$end"p List|xargs -i cp {} $i 
13 $start=$end

for i in $(ls -d */)
do
list=$(ls *.jpg | head -200)
mv "$list" "$i"
done