зеркало из https://github.com/mozilla/gecko-dev.git
19 строки
524 B
JavaScript
19 строки
524 B
JavaScript
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// unique.js: read the contents of a file and print out the unique lines
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defineClass("File")
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// "arguments[0]" refers to the first argument at the command line to the
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// script, if present. If not present, "arguments[0]" will be undefined,
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// which will cause f to read from System.in.
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var f = new File(arguments[0]);
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var o = {}
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var line;
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while ((line = f.readLine()) != null) {
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// Use JavaScript objects' inherent nature as an associative
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// array to provide uniqueness
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o[line] = true;
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}
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for (i in o) {
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print(i);
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}
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