第7回のソースを追加

07/16-file.rb

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+# -*- coding: utf-8 -*-
+
+=begin
+File クラス 低レベル処理がおおくあまりつかわれない？
+
+File#remane
+File.rename("before.txt","after.txt")
+File.rename("data.txt","backup/data.txt")
+ファイルシステム や ドライブ を越える移動はできない。
+=end
+
+# コピーする
+def copy(from,to)
+  open(from) do |input|
+    open(to,"w") do |output|
+      output.write(input.read)
+    end
+  end
+end
+
+# fileutilsを使うと簡単
+require "fileutils"
+
+# FileUtils.cp("data","backu/data.txt")
+# FileUtils.mv("data","backu/data.txt")
+# FileUtirs.mkdir("goro")
+# FileUtirs.mkdir_p("hoge/goro")
+
+# ファイルの削除
+# File.delete("hoge")
+# File.unlink("hoge")
+
+=begin
+Dir クラス
+ディレクトリの操作 -> 低レベル処理が多くあまり使われない？
+=end
+
+# 現在のディレクトリ位置を調べる
+Dir.pwd                         # => "/Users/eiel/Documents/studying/hiroshimarb/07"
+# Dir.chdir("/Users")        # => 0
+Dir.pwd                         # => "/Users/eiel/Documents/studying/hiroshimarb/07"
+
+dir = Dir.open("/")                   # => #<Dir:/>
+while name = dir.read
+  name                          # => ".", "..", ".dbfseventsd", ".DS_Store", ".file", ".fseventsd", ".hotfiles.btree", ".Spotlight-V100", ".Trashes", ".vol", "Applications", "bin", "cores", "dev", "Developer", "etc", "home", "id_rsa", "Library", "mach_kernel", "net", "Network", "opt", "private", "sbin", "System", "tmp", "Users", "usr", "var", "Volumes", "ユーザーズガイドと情報"
+end
+
+#Dir.chdir("/usr/share")
+# Dir.glob("lib*")                # => ["libiodbc", "libtool"]
+
+# Dir.mkdir(path)
+# Dir.rmdir(path)
+
+# File.ctime("/Users")           # => 2010-09-04 14:29:04 +0900
+# File.chmod(0755,path)
+
+File.exist? "/Users"           # => true
+File.directory? "/Users"       # => true
+File.writable? "/Users"       # => false
+File.size "/Users"           # => 238
+
+# ファイル名の操作
+path = "/goro/hoge.rb"
+File.basename(path)  # => "hoge.rb"
+File.basename(path,".rb")  # => "hoge"
+File.dirname(path)         # => "/goro"
+File.extname(path)         # => ".rb"
+".rb" # !> useless use of a literal in void context
+File.dirname("~/hoge")     # => "~"
+File.expand_path("/gore/../hoge/mogu/../")     # => "/hoge"
+
+File.split(path)                # => ["/goro", "hoge.rb"]
+File.join("hoge","goro")        # => "hoge/goro"
+
+# ファイル操作関連のライブラリ
+# find
+# tempfile
+# FileUtils
+# Pathname
+
+require "find"
+
+Find.find(".") do |path| # !> shadowing outer local variable - path
+  path             # => ".", "./.#16-file.rb", "./16-file.rb", "./16-file.rb~", "./xmptmp-in65423TmK.rb", "./xmptmp-out65423gwQ.rb"
+end
+
+require "tempfile"
+
+tempfile = Tempfile.new("hoge")
+tempfile                               # => #<File:/var/folders/Bz/BzpYrmcPHi01HTWPXbtDDU+++TI/-Tmp-/hoge20101204-65803-14mgbzx>
+tempfile.puts("hoge")
+tempfile.close
+tempfile.open.read              # => "hoge\n"
+# tempfileは実行後に削除される
+
+require "pathname"
+
+path = Pathname.new("/Users")
+path                            # => #<Pathname:/Users>
+path + "hoge"                   # => #<Pathname:/Users/hoge>
+path.entries                    # => [#<Pathname:.>, #<Pathname:..>, #<Pathname:.localized>, #<Pathname:eiel>, #<Pathname:Guest>, #<Pathname:PortDetect.log>, #<Pathname:Shared>]
+path.children                   # => [#<Pathname:/Users/.localized>, #<Pathname:/Users/eiel>, #<Pathname:/Users/Guest>, #<Pathname:/Users/PortDetect.log>, #<Pathname:/Users/Shared>]

07/17-time.rb

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+# -*- coding: utf-8 -*-
+require "time"
+
+t = Time.new                        # => 2010-12-04 16:23:32 +0900
+t.year                              # => 2010
+t.month                             # => 12
+t.day                               # => 4
+t.hour                              # => 16
+t.min                               # => 23
+t.sec                               # => 32
+t.usec                              # => 607788
+t.to_i                              # => 1291447412
+
+t = Time.mktime(2009,12,9)      # => 2009-12-09 00:00:00 +0900
+
+t1 = Time.new
+t2 = Time.new
+t2 - t1                         # => 1.0e-06
+
+t.strftime("%Y %m %d")          # => "2009 12 09"
+t.rfc2822                       # => "Wed, 09 Dec 2009 00:00:00 +0900"
+t.iso8601                       # => "2009-12-09T00:00:00+09:00"
+
+t.utc                           # => 2009-12-08 15:00:00 UTC
+t.localtime                     # => 2009-12-09 00:00:00 +0900
+
+t = Time.parse "2009-12-09 00:00:00 +0900" # => 2009-12-09 00:00:00 +0900
+t                                          # => 2009-12-09 00:00:00 +0900
+t.class                                    # => Time
+Time.parse "s59.1.24" # => 1984-01-24 00:00:00 +0900
+
+require "date"
+
+d1 = Date.new(2009,12,4)
+d2 = Date.new(2010,12,4)
+d2 - d1                         # => (365/1)
+d1 + 1                          # => #<Date: 2009-12-05 (4910341/2,0,2299161)>
+d1 + 30                         # => #<Date: 2010-01-03 (4910399/2,0,2299161)>
+t + 1                           # => 2009-12-09 00:00:01 +0900
+t + 30                          # => 2009-12-09 00:00:30 +0900
+d1 >> 1                         # => #<Date: 2010-01-04 (4910401/2,0,2299161)>
+d1 >> 2                         # => #<Date: 2010-02-04 (4910463/2,0,2299161)>
+
+d1.strftime("%Y %m %d")          # => "2009 12 04"
+DateTime.parse "s59.1.24" # => #<DateTime: 1984-01-24T00:00:00+00:00 (4891447/2,0/1,2299161)>
+

07/kwartz/hoge.html

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+<table>
+  <tr class="list1">
+    <td class="item1">foo</td>
+  </tr>
+</table>

07/kwartz/hoge.html.erb

@@ -0,0 +1,10 @@
+<html>
+  <head>
+    <title></title>
+  </head>
+  <body>
+<% array.each do |n| %>
+  <%=h n.to_s %>
+<% end %>
+  <body>
+</html>

07/kwartz/hoge.plogic

@@ -0,0 +1,15 @@
+.list1 {
+  logic: {
+    for member in @members
+      _stag           # start tag
+      _cont           # content
+      _etag           # end tag
+    end
+  }
+}
+
+/* The element which is marked by 'id="mark:item1"' */
+.item1 {
+  /* replace the content with value of a variable 'member' */
+  value: member;
+}