Rename all (jpg) files written as 3 number in 4 numbers.

for i in ???.jpg; do mv $i $(printf %04d $(basename $i .jpg) ).jpg ; done
Useful if you have a list of images called 1 2 3 4 and so on, you can adapt it to rewrite it as 4 (in this example) 0-padded number.
Sample Output
mv 799.jpg 0799.jpg
mv 800.jpg 0800.jpg
mv 801.jpg 0801.jpg
mv 802.jpg 0802.jpg
mv 803.jpg 0803.jpg

5
By: carlesso
2010-11-18 23:48:41

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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