-r,-a,-l のオプションに対応やり直し #8
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JunichiIto
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Aug 15, 2022
| @@ -1,4 +1,3 @@ | |||
| #!/usr/bin/env ruby | |||
| print_l_option_files(file_stats) | ||
| else | ||
| print_no_option_files(file_stats) | ||
| print_not_l_option_files(file_stats) |
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man lsで-lの説明を読んでみてください。
たぶんlはlong formatのlだと説明されているはずです。
なので、メソッド名もprint_in_long_format、print_in_short_formatみたいにすると対称性があって良いかもしれません。（好みの問題です）
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||
| def make_file_stats(ls_dir) | ||
| files = fetch_files(ls_dir) | ||
| def make_file_stats(ls_dir, params) |
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「オブジェクトを作る」の「作る」はmakeよりもbuildが使われることが多いので、ここもbuild_xxxにした方がいいかも
| files = if params['a'] | ||
| Dir.glob("#{ls_dir}/*", File::FNM_DOTMATCH).sort | ||
| else | ||
| Dir.glob("#{ls_dir}/*").sort |
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flagのデフォルト値は数値の0のようです。
https://docs.ruby-lang.org/ja/latest/method/Dir/s/=5b=5d.html
なので、
flags = params['a'] ? File::FNM_DOTMATCH : 0のようにすると、ここのコードがよりDRYにできそうです
あと、前回紹介したFile.joinを使ってパスを連結してみてください〜。
| if params['r'] | ||
| files.reverse | ||
| else | ||
| files |
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lコマンドの -r,-a,-l のオプションに対応しましたので、確認お願いいたします。