Changes between Version 14 and Version 15 of NCTU110329
- Timestamp:
- Apr 25, 2011, 6:17:15 PM (14 years ago)
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TabularUnified NCTU110329
v14 v15 43 43 * CTRL + a + K – 關閉目前視窗 44 44 * CTRL + a + c – 開啟一個新的視窗 45 * CTRL + a + [ - 進入 copy mode,方便上下捲動歷史紀錄(因為常用的 SHIFT + PgUp/PgDn 會失效)46 * CTRL + a + ESC - 進入 copy mode,方便上下捲動歷史紀錄(因為常用的 SHIFT + PgUp/PgDn 會失效)45 * CTRL + a + [ - 進入 copy mode,方便上下捲動歷史紀錄(因為常用的 SHIFT + !PgUp / !PgDn 會失效) 46 * CTRL + a + ESC - 進入 copy mode,方便上下捲動歷史紀錄(因為常用的 SHIFT + !PgUp / !PgDn 會失效) 47 47 * Ctrl + a + S - 分割視窗 48 48 * Ctrl + a + Tab - 在視窗中移動 … … 53 53 * 題目:請嘗試將 [wiki:NCTU110329/Lab6 實作六] 的 WordCount2.java 改成逆向索引(Reverse Index) !ReverseIndex.java。使 !ReverseIndex 執行之結果為「"關鍵字"\t"檔案名稱(用逗點隔開)"」型態。以實作六最後的執行方法,忽略句點(\.)與逗點(\,),並且忽略大小寫(case.sensitive=false), 54 54 * Please try to modified WordCount2.java downloaded from [wiki:NCTU110329/Lab6 Lab6]. Rename it to !ReverseIndex.java. Let !ReverseIndex output as "Keyword <TAB> filename(separated by comma)". Try to run it by ignoring "\." and "\," pattern and case-insensitive. 55 * 參考步驟:[[BR]]Here is the reference steps: 56 {{{ 57 #!sh 58 $ wget http://hadoop.nchc.org.tw/WordCount2.java -O ReverseIndex.java 59 $ vi ReverseIndex.java #### DO YOUR MODIFICATION - 修改對應的程式碼 60 $ mkdir -p MyJava3 61 $ javac -classpath hadoop-core.jar -d MyJava3 ReverseIndex.java 62 $ jar -cvf reverseindex.jar -C MyJava3 . 63 $ hadoop jar reverseindex.jar ReverseIndex -Dwordcount.case.sensitive=false lab6_input lab6_out4 -skip pattern.txt 64 $ hadoop fs -cat lab6_out4/part-00000 65 }}} 55 66 * 結果應該為:[[BR]]The result should be as following: 56 67 {{{ … … 65 76 we input2 66 77 }}} 67 * 參考步驟:[[BR]]Here is the reference steps:68 {{{69 $ wget http://hadoop.nchc.org.tw/WordCount2.java -O ReverseIndex.java70 $ vi ReverseIndex.java #### DO YOUR MODIFICATION - 修改對應的程式碼71 $ mkdir -p MyJava372 $ javac -classpath hadoop-core.jar -d MyJava3 ReverseIndex.java73 $ hadoop jar reverseindex.jar ReverseIndex -Dwordcount.case.sensitive=false lab6_input lab6_out4 -skip pattern.txt74 }}}75 78 * 繳交期限:2011年5月3日(二) 上午 11:59 76 79 * Due date: 11:59 AM, Tuesday, May 3th, Year 2011