output: 
/c/
/c/aa/
/c/bb/
/c/cc/              << this should be below /c/bb/*.mp3
/c/bb/aa1.mp3     
/c/bb/aa2.mp3
/c/bb/aa12.mp3
/c/a1.mp3
/c/a2.mp3

[download]
it looks better on the first look, but /c/bb/*.mp3 should be below /c/bb, not below /c/cc.

In reply to Re^2: sorting tree with folders on top by diweooy
in thread sorting tree with folders on top by diweooy

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