On 03/08/11 03:59, Dan Stromberg wrote: > > On Tue, Aug 2, 2011 at 3:13 AM, Thomas Jollans <t...@jollybox.de > <mailto:t...@jollybox.de>> wrote: > > On 02/08/11 11:32, loial wrote: > > I am trying to hardlink all files in a directory structure using > > os.link. > > > > However I do not think it is possible to hard link directories ? > > > That is pretty true. I've heard of hardlinked directories on Solaris, > but that's kind of an exception to the general rule. > > > > So presumably I would need to do a mkdir for each sub-directory > > encountered? > > Or is there an easier way to hardlink everything in a directory > > structure?. > > > > The requirement is for hard links, not symbolic links > > > > Yes, you have to mkdir everything. However, there is an easier way: > > subprocess.Popen(['cp','-Rl','target','link']) > > This is assuming that you're only supporting Unices with a working cp > program, but as you're using hard links, that's quite a safe bet, I > should think. > > > A little more portable way: > > $ cd from; find . -print | cpio -pdlv ../to > cpio: ./b linked to ../to/./b > ../to/./b > cpio: ./a linked to ../to/./a > ../to/./a > cpio: ./c linked to ../to/./c > ../to/./c > ../to/./d > cpio: ./d/1 linked to ../to/./d/1 > ../to/./d/1 > cpio: ./d/2 linked to ../to/./d/2 > ../to/./d/2 > cpio: ./d/3 linked to ../to/./d/3 > ../to/./d/3 > 0 blocks > > However, you could do it without a shell command (IOW in pure python) > using os.path.walk().
Is it more portable? I don't actually have cpio installed on this system. Which implementations of cp don't implement -R and -l? Of course, the best way is probably implementing this in Python, either with os.path.walk, or with a monkey-patched shutil.copytree, as Peter suggested. Thomas -- http://mail.python.org/mailman/listinfo/python-list
