Ruby on rails 找出文件所在目录的名称
例如,我有以下目录结构:Ruby on rails 找出文件所在目录的名称,ruby-on-rails,ruby,path,rake,Ruby On Rails,Ruby,Path,Rake,例如,我有以下目录结构: DIRECTORY_A/cat/myfile.txt DIRECTORY_B/dog/myfile.txt DIRECTORY_C/tiger/myfile.txt 您可以看到,在每个目录中,我都有相同的文件“myfile.txt”。“myfile.txt”由ruby脚本创建,如下所示。现在我想在myfile.txt中输入myfile.txt所在的目录名 例如: myfile.txt from "cat" directory should contain the s
DIRECTORY_A/cat/myfile.txt
DIRECTORY_B/dog/myfile.txt
DIRECTORY_C/tiger/myfile.txt
您可以看到,在每个目录中,我都有相同的文件“myfile.txt”。“myfile.txt”由ruby脚本创建,如下所示。现在我想在myfile.txt中输入myfile.txt所在的目录名
例如:
myfile.txt from "cat" directory should contain the string "cat"
myfile.txt from "dog" directory should contain the string "dog"
myfile.txt from "tiger" directory should contain the string "tiger"
我不知道该怎么做。我的代码中显示的“?”是什么
def create_file
Dir['DIRECTORY_*/*/'].each do |dir|
File.new File.join(dir, 'myfile.txt'), 'w+'
Dir['DIRECTORY_*/*/myfile.txt'].each do |path|
File.open(path,'w+') do |f| f.puts "????"
有什么想法吗?听起来您想从路径中提取最后一个目录名。最简单的方法是使用File.dirname和File.basename:
last_dir = File.basename(File.dirname(path))
File.open(path,'w+') { |f| f.puts lastdir }