Brad Fitzpatrick (brad) wrote,
Brad Fitzpatrick

Treearrange: a compliment to rsync

My quick hack of the evening is treearrange, which rearranges a directory tree based on a description of a directory tree, which the tool also generates.

What problem does this solve? Here's my typical photo-uploading workflow:

-- bring GBs of unorganized photos to work
-- upload GBs of photos from work to my personal server at 100 Mbps.
-- go home
-- rsync down from my server all photos at 6 Mbps. still pretty fast.
-- rearrange/rename. instead of DCIM/nnnCANON/, I rearrange into, say, "Day5-Paris/".

Now, how do I get my photos online? Two choices:

1) upload them from home.
2) upload them from my server (not my home server)

But the problems with the above are, respectively:

1) slow upstream. Not 100 Mbps. More like 1. GBs would take forever.
2) the files aren't in the right places on the server. I only rearranged then locally.

Rsync won't do. Rsync doesn't deal with files changing directories.

Enter treearrange:

Here's my server, where it all begins:
bradfitz@personal_web:~/honeymoon_pics$ find -type d
I rsync them down to my house (pretty fast), and rearrange them:
sammy:Sorted $ find -type d
Now, using treearrange, I snapshot where the files are supposed to live:
sammy:Sorted $ ./treearrange --to=arrange.dat

$ head arrange.dat 
945fc334853b4c5edfca34c9908258eacfc86823        Barcelona_Airport_Hell/IMG_8675.JPG
fe5551ad173e425c1c8f40c4f06e72389df7c2ab        Barcelona_Airport_Hell/IMG_8676.JPG
c9f0589a24a8de4a65e8670b8bbb4f570a4452ca        Barcelona_Airport_Hell/IMG_8677.JPG
b244692481c84857d2e7824ec310ca074eee5e6c        Barcelona_Airport_Hell/IMG_8678.JPG
20c6dd346021689b32702c28ec62cde6a2c3a7be        Barcelona_Airport_Hell/IMG_8679.JPG
f1fdd495d10aee11a1cb96019b7b6c0a11e5465f        Barcelona_Airport_Hell/IMG_8680.JPG
f429010fe9a906c8bf513016e03e371ee711f3f6        Barcelona_Airport_Hell/IMG_8681.JPG
7885c7b71cd21a28c11985a591e69e81a12ee316        Barcelona_Airport_Hell/IMG_8683.JPG
Next I upload the arrange.dat and treearrange to my server, and do the opposite:
bradfitz@personal_web:~/honeymoon_pics$  ./treearrange --from=arrange.dat
file 1 / 738...
file 2 / 738...
  DCIM/179CANON/IMG_7977.JPG -> Barcelona-1/IMG_7977.JPG
file 3 / 738...
  DCIM/179CANON/IMG_7978.JPG -> Barcelona-1/IMG_7978.JPG
file 4 / 738...
  DCIM/179CANON/IMG_7979.JPG -> Barcelona-1/IMG_7979.JPG
file 5 / 738...
  DCIM/179CANON/IMG_7980.JPG -> Barcelona-1/IMG_7980.JPG
file 6 / 738...
  DCIM/179CANON/IMG_7981.JPG -> Barcelona-1/IMG_7981.JPG

bradfitz@personal_web:~/honeymoon_pics$ find -type d

(then I can rsync and get any rotations/adjustments/etc that I did locally which weren't just a directory move...)
Tags: hack, tech
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