author | joehw |
Wed, 17 Feb 2016 16:32:51 -0800 | |
changeset 36029 | a847c5a7e22d |
parent 26067 | b32ccc3a76c9 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
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diff
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
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changeset
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* |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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26067
b32ccc3a76c9
8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
24283
diff
changeset
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* |
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* - Neither the name of Oracle nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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26067
b32ccc3a76c9
8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
24283
diff
changeset
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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// Usage: jjs uniqs.js -- <file> |
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// omit repeated lines and print unique lines |
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8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
24283
diff
changeset
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// But this version uses Stream API |
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if (arguments.length < 1) { |
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print("Usage: jjs uniqs.js -- <file>"); |
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exit(1); |
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} |
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var Files = Java.type("java.nio.file.Files"); |
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var FileSystems = Java.type("java.nio.file.FileSystems"); |
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print('Unique lines:', |
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Files |
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.lines(FileSystems.default.getPath(arguments[0])) |
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.distinct() |
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.peek(print) |
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.count()); |