convert single digit to double digits

for i in ?.ogg; do mv $i 0$i; done

from 1.ogg 2.ogg 3.ogg 10.ogg 11.ogg to 01.ogg 02.ogg 03.ogg 10.ogg 11.ogg

By: Bonster

2012-05-15 02:52:52

7 Alternatives + Submit Alt

convert single digit to double digits

Uses 'rename' to pad zeros in front of first existing number in each filename. The "--" is not required, but it will prevent errors on filenames which start with "-". You can change the "2d" to any number you want, equaling the total numeric output: aka, 4d = ????, 8d = ????????, etc. I setup a handful of handy functions to this effect (because I couldn't figure out how to insert a var for the value) in the form of 'padnum?', such as: padnum5 () { /usr/bin/rename 's/\d+/sprintf("%05d",$&)/e' -- $@ } Which would change a file "foo-1.txt" to "foo-00001.txt"
This is sample output - yours may be different.
6

rename 's/\d+/sprintf("%02d",$&)/e' -- $@

Vilemirth · 2013-02-14 18:29:18 10
convert single digit to double digits

works only in zsh, requires autoload zmv
This is sample output - yours may be different.
2

zmv '(?.ogg)' '0$1'

bst · 2012-05-15 18:17:09 4
convert single digit to double digits

each number in a file name gets expanded to the number of digets provided as arg_1 of the arguments in rjust_file_nums. Put the funciton in the .bashrc file. Be sure to $ source ~/.bashrc so that the function will be accessible from bash. Show Sample Output
This is sample output - yours may be different.
```
$ ls
1i10.ogg
$ rjust_file_nums 3
$ ls 
001i010.ogg
```
2

function rjust_file_nums() {for i in *.ogg; do; mv $i `ruby -e "print ARGV.first.gsub(/\d+/){|d| d.rjust($1,'0')}" $i`; done}

timrand · 2012-05-19 15:41:06 6
convert single digit to double digits

each number in a file name gets expanded to the number of digets provided as arg_1 of the arguments in rjust_file_nums. Put the funciton in the .bashrc file. Be sure to $ source ~/.bashrc so that the function will be accessible from bash. Show Sample Output
This is sample output - yours may be different.
```
$ ls
1i10.ogg
$ rjust_file_nums 3
$ ls 
001i010.ogg
```
1

function rjust_file_nums(){for i in *.ogg; do; mv $i `ruby -e "print ARGV.first.gsub(/\d+/){|d| d.rjust($1,'0')}" $i`; done }

timrand · 2012-05-19 15:39:39 5
pad file names with zeros so that files sort easily

This command takes a few changes to get to the file format, but once you have that, you're good to go. Set your environment variables and then change the text "front" and "back" to whatever you're files start and end with. You'll end up with some easily sort-able files. Show Sample Output
This is sample output - yours may be different.
```
mv front1back front001back
mv front2back front002back
mv front3back front003back
mv front4back front004back
mv front5back front005back
mv front6back front006back
mv front7back front007back
mv front8back front008back
mv front9back front009back
mv front10back front010back
mv front11back front011back
mv front12back front012back
mv front13back front013back
mv front14back front014back
mv front15back front015back
```
0

zeros=3; from=1; to=15; for foo in $(seq $from $to); do echo mv "front${foo}back" "front$(printf "%0${zeros}d\n" $foo)back"; done

ClashTheBunny · 2012-05-17 10:54:45 5

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Check out 'mmv': mmv '?.ogg' '0#1.ogg'

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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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