73 lines
1.9 KiB
D
73 lines
1.9 KiB
D
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import std.stdio;
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import std.file;
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import std.algorithm;
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import std.array;
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import std.conv;
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import std.getopt;
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import std.path;
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void main(string[] args)
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{
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if (args.length < 4 || args.length > 5 )
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{
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writeln("Usage: "~ args[0] ~" <folder> <condition> <number> [output_file]");
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return;
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}
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// getargs
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string folder = args[1];
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string condition = args[2];
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long threshold = to!long(args[3]);
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bool hasOutputFile = args.length > 4;
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string outputFile = hasOutputFile ? args[4] : "";
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// resotre results
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string result;
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// ie all the file
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foreach (entry; dirEntries(folder, SpanMode.shallow))
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{
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if (entry.isFile)
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{
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// count '>'
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size_t count = 0;
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foreach (line; File(entry.name).byLine())
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{
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if (line.length > 0 && line[0] == '>')
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{
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count++;
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}
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}
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// judge
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bool conditionMet = false;
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if (condition == "=" && count == threshold) conditionMet = true;
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else if (condition == "<" && count < threshold) conditionMet = true;
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else if (condition == ">" && count > threshold) conditionMet = true;
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else if (condition == "<=" && count <= threshold) conditionMet = true;
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else if (condition == ">=" && count >= threshold) conditionMet = true;
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else if (condition == "><" && count != threshold) conditionMet = true;
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else if (condition == "<>" && count != threshold) conditionMet = true;
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if (conditionMet)
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{
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result ~= baseName(entry.name) ~ " : " ~ to!string(count) ~ "\n";
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}
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}
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}
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// write
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if (hasOutputFile)
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{
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// write to file
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std.file.write(outputFile, result);
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}
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else
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{
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// output to consol
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writeln(result);
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}
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}
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