Recursively rename directories

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# 1  
Old 07-21-2011
Recursively rename directories

I have this directory tree under /apps/myapp/data:

How to recursively rename ONLY directories with 5 digits (00000, 00100, 00200,..., 00007, 00107,...)?

I want to add to their name two more zeros:

Before: 00107
After: 0000107

Thanks in advance!
# 2  
Old 07-21-2011
You could do this:
find /path/to/your/dir -type d -name "[0-9][0-9][0-9][0-9][0-9]" -printf "mv %p \$(echo %p | sed 's_[0-9]*\$_00&_' ) \n"

Which will print the move command, so that you can test part of it, and if you like what you see, you just pipe it to sh, to run it:
find /path/to/your/dir -type d -name "[0-9][0-9][0-9][0-9][0-9]" -printf "mv %p \$(echo %p | sed 's_[0-9]*\$_00&_' ) \n" | sh

---------- Post updated at 01:59 AM ---------- Previous update was at 01:48 AM ----------

Alternative, and maybe more simple way:
find /path/to/dir -type d  | egrep '/[0-9]{5}$' | rename -n 's/([0-9]+)/00\1/'

which will do a dry-run, tell you what it would rename, and if you are happy, just run it by omittin the -n switch of rename.

This assumes, there is a perl-regex version of rename installed on your system. You will find out by running 'rename' without arguments; if you see something like
$ rename
Usage: rename [-v] [-n] [-f] perlexpr [filenames]

Then you're good to go.
# 3  
Old 07-25-2011
Thanks, I will try the first method (I do not have a perl-regex version of rename installed).
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