MediaWiki API result

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        "gapcontinue": "Reading_the_documentation_(in_Russian)",
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            "423": {
                "pageid": 423,
                "ns": 0,
                "title": "Read table data from file",
                "revisions": [
                    {
                        "contentformat": "text/x-wiki",
                        "contentmodel": "wikitext",
                        "*": "== Reading tabular data from file ==\n\nTo read in a text file with records in rows, where fields are separated by a separator (e.g. tab, whitespace), this code might help:\n\n<syntaxhighlight lang=\"D\" line highlight=\"11\">\nmodule test.read;\n\nimport std.stdio;\nimport std.array;\n\nauto readInData(File inputFile, string fieldSeparator)\n{\n    string[][] buffer;\n\n    foreach (line; inputFile.byLine)\n        buffer ~= split(line.idup, fieldSeparator);\n\n    return buffer;\n}\n\nvoid main(string[] args)\n{\n    if (args.length > 1)\n        writeln(readInData(\n            File(args[1]),\n            args.length > 2 ? args[2] : \" \"\n        ));\n}\n</syntaxhighlight>\n\n\nThe not so obvious usage of '''.idup''' property is necessary here in order to avoid memory rewrite of the output multidimensional string array.\nThere are couple of reasons for this:\n*the LineReader defined with <code>File.byLine()</code> reuses its buffer for efficiency and\n*<code>split()</code> function is optimized to return slices into its input buffer (<code>line</code> in this case) instead of copying each substring to output.\nWithout the <code>line</code> being duplicated the output buffer gets overwritten in every iteration.\n\n== Credits ==\n\nThe information provided here was first discussed on [http://forum.dlang.org/post/blciltrhymxcwpdcfrbp@forum.dlang.org this thread].\n\n[[Category:HowTo]]"
                    }
                ]
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            "1085": {
                "pageid": 1085,
                "ns": 0,
                "title": "Reading and writing to files",
                "revisions": [
                    {
                        "contentformat": "text/x-wiki",
                        "contentmodel": "wikitext",
                        "*": "== Reading and writing to files ==\n\nA collection of one handy snippets for reading, manipulating and writing data to files in one line.\n\n* Given a file with a single number on each line, reach only the first 10 lines, sum the total and print each number read.\n\n<syntaxhighlight lang=\"D\">\nmodule read_and_sum;\n\nimport std.conv : to;\nimport std.stdio: writeln;\nimport std.range : takeExactly, tee;\nimport std.algorithm.iteration : map, each;\n\nvoid main()\n{\n    double total = 0;\n    File(\"./10numbers.txt\")\n         // lazily iterate by line\n        .byLine\n\n         // pick first 10 lines\n        .takeExactly(10)\n         \n         // convert each to double\n        .map!(to!double)\n\n         // add element ro total\n        .tee!((x) { total += x; })\n\n        // print each number \n        .each!writeln;\n}\n</syntaxhighlight>\n\n\n[[Category:Cookbook]]"
                    }
                ]
            }
        }
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