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MacのJavaScript Coreで標準入出力

Last updated at Posted at 2012-06-28

Mac限定ですがメモ

run.js

var global = this,
    stdin;

// stdin
stdin = (function () {

    var line    = "",
        stdin   = "";

    while (line = global.readline()) {
        stdin += line;
    }

    return stdin;
}());

// stdout
print(stdin);

実行は

$ alias jsc="/System/Library/Frameworks/JavaScriptCore.framework/Versions/A/Resources/jsc"
$ jsc run.js < infile.txt

でファイルの内容が表示されれば良し。

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