Wed, 24 Apr 2013 11:03:39 +0100
Merge
jlaskey@3 | 1 | /* |
jlaskey@7 | 2 | * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
jlaskey@3 | 3 | * |
jlaskey@3 | 4 | * Redistribution and use in source and binary forms, with or without |
jlaskey@3 | 5 | * modification, are permitted provided that the following conditions |
jlaskey@3 | 6 | * are met: |
jlaskey@3 | 7 | * |
jlaskey@3 | 8 | * - Redistributions of source code must retain the above copyright |
jlaskey@3 | 9 | * notice, this list of conditions and the following disclaimer. |
jlaskey@3 | 10 | * |
jlaskey@3 | 11 | * - Redistributions in binary form must reproduce the above copyright |
jlaskey@3 | 12 | * notice, this list of conditions and the following disclaimer in the |
jlaskey@3 | 13 | * documentation and/or other materials provided with the distribution. |
jlaskey@3 | 14 | * |
jlaskey@3 | 15 | * - Neither the name of Oracle nor the names of its |
jlaskey@3 | 16 | * contributors may be used to endorse or promote products derived |
jlaskey@3 | 17 | * from this software without specific prior written permission. |
jlaskey@3 | 18 | * |
jlaskey@3 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
jlaskey@3 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
jlaskey@3 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
jlaskey@3 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
jlaskey@3 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
jlaskey@3 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
jlaskey@3 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
jlaskey@3 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
jlaskey@3 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
jlaskey@3 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
jlaskey@3 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
jlaskey@3 | 30 | */ |
jlaskey@3 | 31 | |
jlaskey@3 | 32 | /** |
jlaskey@3 | 33 | * Prints unique lines from a given file. |
jlaskey@3 | 34 | */ |
jlaskey@3 | 35 | |
jlaskey@3 | 36 | if (arguments.length != 1) { |
jlaskey@3 | 37 | print("Usage: jjs uniq.js -- <file>"); |
jlaskey@3 | 38 | java.lang.System.exit(1); |
jlaskey@3 | 39 | } |
jlaskey@3 | 40 | |
jlaskey@3 | 41 | var imports = new JavaImporter(java.io); |
jlaskey@3 | 42 | |
jlaskey@3 | 43 | var uniqueLines = {}; |
jlaskey@3 | 44 | with (imports) { |
jlaskey@3 | 45 | var reader = new BufferedReader(new FileReader(arguments[0])); |
jlaskey@3 | 46 | while ((line = reader.readLine()) != null) { |
jlaskey@3 | 47 | // using a JS object as a map... |
jlaskey@3 | 48 | uniqueLines[line] = true; |
jlaskey@3 | 49 | } |
jlaskey@3 | 50 | } |
jlaskey@3 | 51 | |
jlaskey@3 | 52 | // now print the collected lines |
jlaskey@3 | 53 | for (i in uniqueLines) { |
jlaskey@3 | 54 | print(i); |
jlaskey@3 | 55 | } |