digitalmars.D.learn - Recursive Directory Listing
- okibi (3/3) Feb 13 2008 Hello,
- Tim Burrell (20/25) Feb 13 2008 tango.io.FileScan :).
- okibi (27/61) Feb 14 2008 Actually, I was wondering if D had a function (or function within Phobos...
- Bill Baxter (4/9) Feb 13 2008 Does std.file.listdir help?
Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!
Feb 13 2008
okibi wrote:Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!tango.io.FileScan :). If you're using Phobos, a recursive file scanner is pretty much the easiest thing you can write! Pseudo code: scan(char [] Path, ref char [][] Paths) { Paths ~= Path if (!Path.isDirectory) return ListOfPaths = getContentsOfDir(Path) foreach (Item; ListOfPaths) scan(Path) } Obviously you can get more creative and store an array of structures which contain file system information such as whether or not the path is a file or a directory, etc, but that's the basic idea. Even if you're not using Tango, you can always look at the source code to see how they are doing it: http://dsource.org/projects/tango/docs/current/source/tango.io.FileScan.html Hope this helps!
Feb 13 2008
Tim Burrell Wrote:okibi wrote:Actually, I was wondering if D had a function (or function within Phobos) that allowed recursive directory scanning. Anyways, here's what I wrote: void dirList(char[] path) { if (!isdir(path)) writefln("File: ", path); else { writefln("Directory: ", path); char[][] pathsList = listdir(path); char[][] dirs; char[][] files; foreach (item; pathsList) { if (isdir(path~"/"~item)) dirs ~= path~"/"~item; else files ~= path~"/"~item; } foreach (file; files) writefln("File: ", file); foreach (dir; dirs) dirList(dir); } } Can this be optimized at all? Thanks!Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!tango.io.FileScan :). If you're using Phobos, a recursive file scanner is pretty much the easiest thing you can write! Pseudo code: scan(char [] Path, ref char [][] Paths) { Paths ~= Path if (!Path.isDirectory) return ListOfPaths = getContentsOfDir(Path) foreach (Item; ListOfPaths) scan(Path) } Obviously you can get more creative and store an array of structures which contain file system information such as whether or not the path is a file or a directory, etc, but that's the basic idea. Even if you're not using Tango, you can always look at the source code to see how they are doing it: http://dsource.org/projects/tango/docs/current/source/tango.io.FileScan.html Hope this helps!
Feb 14 2008
okibi Wrote:Tim Burrell Wrote:In reply to myself, that code will only pick up the first directory in each subdirectory.okibi wrote:Actually, I was wondering if D had a function (or function within Phobos) that allowed recursive directory scanning. Anyways, here's what I wrote: void dirList(char[] path) { if (!isdir(path)) writefln("File: ", path); else { writefln("Directory: ", path); char[][] pathsList = listdir(path); char[][] dirs; char[][] files; foreach (item; pathsList) { if (isdir(path~"/"~item)) dirs ~= path~"/"~item; else files ~= path~"/"~item; } foreach (file; files) writefln("File: ", file); foreach (dir; dirs) dirList(dir); } } Can this be optimized at all? Thanks!Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!tango.io.FileScan :). If you're using Phobos, a recursive file scanner is pretty much the easiest thing you can write! Pseudo code: scan(char [] Path, ref char [][] Paths) { Paths ~= Path if (!Path.isDirectory) return ListOfPaths = getContentsOfDir(Path) foreach (Item; ListOfPaths) scan(Path) } Obviously you can get more creative and store an array of structures which contain file system information such as whether or not the path is a file or a directory, etc, but that's the basic idea. Even if you're not using Tango, you can always look at the source code to see how they are doing it: http://dsource.org/projects/tango/docs/current/source/tango.io.FileScan.html Hope this helps!
Feb 15 2008
okibi <spam ratedo.com> okibi Wrote:okibi Wrote:I take that back. Just outputting what it finds to the command line works as expected. However, if used within GtkD to add selections to a TreeView, it does not.Tim Burrell Wrote:In reply to myself, that code will only pick up the first directory in each subdirectory.okibi wrote:Actually, I was wondering if D had a function (or function within Phobos) that allowed recursive directory scanning. Anyways, here's what I wrote: void dirList(char[] path) { if (!isdir(path)) writefln("File: ", path); else { writefln("Directory: ", path); char[][] pathsList = listdir(path); char[][] dirs; char[][] files; foreach (item; pathsList) { if (isdir(path~"/"~item)) dirs ~= path~"/"~item; else files ~= path~"/"~item; } foreach (file; files) writefln("File: ", file); foreach (dir; dirs) dirList(dir); } } Can this be optimized at all? Thanks!Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!tango.io.FileScan :). If you're using Phobos, a recursive file scanner is pretty much the easiest thing you can write! Pseudo code: scan(char [] Path, ref char [][] Paths) { Paths ~= Path if (!Path.isDirectory) return ListOfPaths = getContentsOfDir(Path) foreach (Item; ListOfPaths) scan(Path) } Obviously you can get more creative and store an array of structures which contain file system information such as whether or not the path is a file or a directory, etc, but that's the basic idea. Even if you're not using Tango, you can always look at the source code to see how they are doing it: http://dsource.org/projects/tango/docs/current/source/tango.io.FileScan.html Hope this helps!
Feb 15 2008
okibi wrote:Hello, I was wondering if anyone could tell me how I would go about doing this. I need a function that can list all the files and directories in a given directory, and return an array that I can use that can reference each file, each folder, and each file within each subfolder. Is this possible? Thanks!Does std.file.listdir help? http://www.digitalmars.com/d/1.0/phobos/std_file.html --bb
Feb 13 2008