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  1. PO
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    <p>It's not clear with which part of the problem you are stuck, so here is a starter for you.</p> <p>To get the parts of the strings between "given string" and the final '/' (where present):</p> <pre><code>std::string get_pertinent_part(const std::string&amp; s) { std::string::size_type first = 0; if (s.find(given_string) == 0) { first = given_string.length() + 1; } std::string::size_type count = std::string::npos; std::string::size_type pos = s.find_last_of("/"); if (pos != std::string::npos &amp;&amp; pos &gt; first) { count = pos + 1 - first; } return s.substr(first, count); } </code></pre> <p>To insert these parts into a new set (<code>output</code>) to guarantee uniqueness you can use the following:</p> <pre><code>std::transform(your_set.begin(), your_set.end(), std::inserter(output, output.end()), get_pertinent_part); </code></pre> <p>You may wish to pass <code>given_string</code> into <code>get_pertinent_part()</code>, in which case you'll need to convert it to a functor:</p> <pre><code>struct get_pertinent_part { const std::string given_string; get_pertinent_part(const std::string&amp; s) :given_string(s) { } std::string operator()(const std::string&amp; s) { std::string::size_type first = 0; // // ...same code as before... // return s.substr(first, count); } }; </code></pre> <p>You can then call it this way:</p> <pre><code>std::transform(your_set.begin(), your_set.end(), std::inserter(output, output.end()), get_pertinent_part("bin/obj/Debug")); </code></pre> <p>To output the new <code>set</code>:</p> <pre><code>std::copy(output.begin(), output.end(), std::ostream_iterator&lt;std::string&gt;(std::cout, "\n")); </code></pre> <p>Sorting the results is left as an exercise.</p>
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    1. POset<string>: how to list not strings starting with given string and ending with `/`?
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    1. USJohnsyweb
    1. USJohnsyweb
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    1. COSo... I finally ot to trying it out... and it kind of does not work=( Thanks for grante answer... But could you make it even better?
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      1. USRella
    2. CO@Kabumbus: "it kind of does not work=(" because you kind of changed your question and kind of changed the input parameters. It looks like you now want to filter out input where `given_string` is not present. This is trivial and I'll leave it to you.
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