Numeric zero padding file rename

ls *.jpg | awk -F'.' '{ printf "%s %04d.%s\n", $0, $1, $2; }' | xargs -n2 mv
rename file name with fixed length nomeric format pattern
Sample Output
mv 10.jpg 0010.jpg
mv 11.jpg 0011.jpg
mv 12.jpg 0012.jpg
mv 13.jpg 0013.jpg
mv 14.jpg 0014.jpg
mv 15.jpg 0015.jpg
mv 16.jpg 0016.jpg
mv 17.jpg 0017.jpg
mv 18.jpg 0018.jpg
mv 19.jpg 0019.jpg
mv 1.jpg 0001.jpg
mv 20.jpg 0020.jpg
mv 21.jpg 0021.jpg
mv 22.jpg 0022.jpg
mv 23.jpg 0023.jpg
mv 24.jpg 0024.jpg
mv 25.jpg 0025.jpg
mv 2.jpg 0002.jpg
mv 3.jpg 0003.jpg
mv 4.jpg 0004.jpg
mv 5.jpg 0005.jpg
mv 6.jpg 0006.jpg
mv 7.jpg 0007.jpg
mv 8.jpg 0008.jpg
mv 9.jpg 0009.jpg

3
By: hute37
2011-05-01 13:32:58

2 Alternatives + Submit Alt

What Others Think

Using 'ls' output for manipulating your data is WRONG and dangerous. See this http://mywiki.wooledge.org/ParsingLs
RanyAlbeg · 595 weeks ago
using xargs without cleansing the input is also wrong. Look what happens when you try this test data cd $(mktemp -d); touch "alpha.jpg" "beta beta.jpg" Run the above command, and you get "mv: no such file 'beta' "
Mozai · 595 weeks ago
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rahimhh21 · 4 weeks and 2 days ago

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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