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POPrinting all the directories using c++
 

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    <p>This program is printing the directories at the root level</p> <pre><code>Directory_1 Directory_2 </code></pre> <p>but I want to be able to print the directories within them too</p> <pre><code>Directory_1 Directory_1_2 Directory_1_3 Directory_2 Directory 2_1 Directory_2_1_1 Directory_4 </code></pre> <p>I am trying to do it recursively but I am finding it hard to pass the Directory_1 as a root so it gets evaluated.. What am i missing?</p> <p>Here is my output</p> <pre><code>.. . Directory_1 Directory_2 Failed to open directory: No such file or directory </code></pre> <p>Code</p> <pre><code>#include &lt;dirent.h&gt; #include &lt;errno.h&gt; #include &lt;stdio.h&gt; #include &lt;sys/stat.h&gt; char *arg_temp; int printDepthFirst(char *arg_tmp); int main(int argc, char *argv[]) { if (argc != 2) { fprintf(stderr, "Usage: %s directory_name\n", argv[0]); return 1; } arg_temp = argv[1]; printDepthFirst(arg_temp); } int printDepthFirst(char *arg_tmp) { struct dirent *direntp; DIR *dirp; if ((dirp = opendir(arg_tmp)) == NULL) { perror ("Failed to open directory"); return 1; } while ((direntp = readdir(dirp)) != NULL) { printf("%s\n", direntp-&gt;d_name); arg_tmp = direntp-&gt;d_name; } printDepthFirst(arg_tmp); while ((closedir(dirp) == -1) &amp;&amp; (errno == EINTR)) ; return 0; } </code></pre> <p>Now, I know some people get irritated when asking questions that they think I am expecting them to code this, you dont need to, if you can tell me theoretically what i need to do.. I will research it although if its a small programmatically fix and you can post that I would really appreaciate it.. but if not.. I would also love to hear about what needs to be done in words..</p> <p>Thank you</p>
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    1. COPeople get irritated because you're not spending much time trying to resolve things yourself. You're getting `no such directory`, so what did you do to debug this? Did you print out the name of the directory about to be open? Does it correspond to a name in your current directory? If not, what do you think you could do to make it work? (And there are _lots_ of directory traversal examples at your disposal on the web.)
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    2. COhmm i have spent quite a while, your assumptions are incorrect.. you can not judge just on the fly without knowing.. i have tried different things.. and yes i tried all the above and got errors as mentioned on my post
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    3. COYou need to spend more time thinking about your code, and learning to debug it. The code you post does not have a single "debug" printout, so it's not clear at all that you understand what is going on. If you print things out as the code runs, or use a debugger, you'll get a better feel of how the code actually works, and you'll understand what you need to do to fix it. But you really need to _think about your code_, and _help yourself by taking small steps with as much debugging info as possible_ at every step.
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