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    <p>You need to use <strong><a href="http://perldoc.perl.org/functions/rename.html" rel="nofollow noreferrer">rename</a></strong> .</p> <p>Here is it's signature:</p> <pre><code> rename <strong>OLDNAME,NEWNAME</strong> </code></pre> <p>To make it recursive, use it along with <strong><a href="http://search.cpan.org/perldoc?File::Find" rel="nofollow noreferrer">File::Find</a></strong></p> <pre><code> use strict; use warnings; use File::Basename; use File::Find; #default searches just in current directory my @directories = ("."); find(\&wanted, @directories); sub wanted { #renaming goes here } </code></pre> <p>The following snippet, will perform the code inside <strong>wanted</strong> against all the files that are found. You have to complete some of the code inside the <strong>wanted</strong> to do what you want to do.</p> <p>EDIT: I tried to accomplish this task using File::Find, and I don't think you can easily achieve it. You can succeed by following these steps :</p> <ul> <li><p>if the parameter is a dir, capitalize it and obtain all the files</p></li> <li><p>for each file, if it's a dir, go back at the beginning with this file as argument</p></li> <li><p>if the file is a regular file, capitalize it</p></li> </ul> <p>Perl just got in my way while writing this script. I wrote this script in ruby :</p> <pre><code> require "rubygems" require "ruby-debug" # camelcase files class File class &lt;&lt; self alias :old_rename :rename end def self.rename(arg1,arg2) puts "called with #{arg1} and #{arg2}" self.old_rename(arg1,arg2) end end def capitalize_dir_and_get_files(dir) if File.directory?(dir) path_c = dir.split(/\//) #base = path_c[0,path_c.size-1].join("/") path_c[-1].capitalize! new_dir_name = path_c.join("/") File.rename(dir,new_dir_name) files = Dir.entries(new_dir_name) - [".",".."] files.map! {|file| File.join(new_dir_name,file)} return files end return [] end def camelize(dir) files = capitalize_dir_and_get_files(dir) files.each do |file| if File.directory?(file) camelize(file.clone) else dir_name = File.dirname(file) file_name = File.basename(file) extname = File.extname(file) file_components = file_name.split(/\s+/) file_components.map! {|file_component| file_component.capitalize} new_file_name = File.join(dir_name,file_components.join(" ")) #if extname != "" # new_file_name += extname #end File.rename(file,new_file_name) end end end camelize(ARGV[0]) </code></pre> <p>I tried the script on my PC and it capitalizes all dirs,subdirs and files by the rule you mentioned. I think this is the behaviour you want. Sorry for not providing a perl version.</p>
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    1. POHow can I change the case of filenames in Perl?
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    1. COhttp://search.cpan.org/dist/File-Find-Rule/lib/File/Find/Rule.pm is prettier than File::Find, but YMMV.
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    2. COI pretty much grew up using File::Find :). I like it more.
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    3. COGlobal symbol "@directories" requires explicit package name at bob.pl line 5. Execution of bob.pl aborted due to compilation errors. Tried to run bob.pl(with latest edit) ^ is result.
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