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As man mkdir states

   -p, --parents
          no error if existing, make parent directories as needed

When I ran this command

mkdir -p work/{F1,F2,F3}/{temp1,temp2}

It creates a folder structure like this work parent folder then F1,F2,F3 child folders and temp1 and temp2 child folders under three parent folder F1,F2,F3.

   work
     -F1 -temp1 -temp2
     -F2 -temp1 -temp2
     -F3 -temp1 -temp2

Now the problem is that I want to create temp1,temp2 folders only under F1 not under F2 and F3, but I'm confused on how I can write a command to do what I want.

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@Caleb: sorry, I was not aware we were both editing at the same time, it seems that revision merging is not implemented by SE :-/ –  Stéphane Gimenez Aug 2 '11 at 13:48
    
@Stephane: No worries. I've made a lot of edits and it's pretty rare that two major edits get clobbered like that. Thanks for contributing! –  Caleb Aug 2 '11 at 13:52

2 Answers 2

up vote 15 down vote accepted

Maybe this is what you are looking for?

 mkdir -p work/{F1/{temp1,temp2},F2,F3}
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Hey, I was wondering recently if things could be done as simple as that. Thanks! –  rozcietrzewiacz Aug 2 '11 at 13:55

A very good description of brace expansion (with examples) can be found at subsection Brace Expansion of bash manual (man bash, press / to start search and search for Brace Expansion).

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