Global find and replace for file names, folders and contents.

rename.rb

# Placeholders
PROJECT = /_Project_/
COMPANY = /_Company_/
PROJECT_LOWER = /_project_/

# Recursively replaces all placeholders in file names, folders and content
def rename(project, company)
    renameFiles('.', project, company)
    replaceContent('**/*', project, company)
end

# Recursively replaces all placeholders in file names and folders
def renameFiles(folder, project, company)
    Dir.chdir(folder) do
        # Rename all of the files & folders
        Dir.glob('*').each do |path|
            if containsPlaceholder path
                newPath = replacePlaceholders(path, project, company)
                File.rename path, newPath
                puts "renamed:\t#{newPath}"
            end
        end

        # Recurse into subfolders
        Dir.glob('*/').each do |subfolder|
            renameFiles(subfolder, project, company)
        end
    end
end

# Replaces all placeholders in the files matching the specified pattern
def replaceContent(pattern, project, company)
    Dir.glob(pattern).each do |path|
        if File.file? path
            content = File.read(path)
            if containsPlaceholder content
                content = replacePlaceholders(content, project, company)
                File.open(path, 'w+') { |f| f.write(content) }
                puts "modified:\t#{path}"
            end
        end
    end
end

# Determines if a string contains any of the placeholders
def containsPlaceholder(value)
    value.match PROJECT or 
    value.match COMPANY or 
    value.match PROJECT_LOWER
end

# Replaces the placeholders in a string
def replacePlaceholders(value, project, company)
    value
        .gsub(PROJECT, project)
        .gsub(COMPANY, company)
        .gsub(PROJECT_LOWER, project.downcase)
end