rename all of the JPG images in this folder to sequence numbers.

## renamer.sh
#!/bin/bash
# rename all of the JPG images in this folder to sequence numbers.
a=1
for i in *.jpg; do
  new=$(printf "%05d.jpg" "$a") #04 pad to length of 5 digits
  mv -- "$i" "$new"
  let a=a+1
done
	#!/bin/bash
	# rename all of the JPG images in this folder to sequence numbers.
	a=1
	for i in *.jpg; do
	new=$(printf "%05d.jpg" "$a") #04 pad to length of 5 digits
	mv -- "$i" "$new"
	let a=a+1
	done