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building a large file

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<ben at co.and.co> wrote ...> Andrew Dalke <dalke at acm.org> wrote:> > Emile van Sebille asked:> >>Doesn't tar do exactly this?> >> > where "this" was defined by Thomas Duterme to mean:> >>> for x in os.listdir('.'):> >>>     os.system('cat '+x+' >> mylargefile)> >> > No, tar doesn't do that because it adds data needed to> > extract each file.  On the other hand, cat does:> >> > cat * > mylargefile> >> > though this won't read the dotfiles.>> But $ cat .* * > mylargefile does.>Danger, Will Robinson. This will include directories (current and parent, .and .. respectively) in your match, probably not a good idea. I seem toremember that the correct pattern should be$ cat .??* * > mylargefilebut I have no doubt this too will prove to be wrong in some subtle way Ihave omitted to consider.regards Steve

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