tar listing field size reset on the fly, classy

[Dan Jacobson]

Interesting, I was doing (dired-do-shell-command "tar tvzf " nil (quote
("spearfish_grass5data.tar.gz"))) just the other day and I noticed a
continental plate style fault line in the output, [tar (GNU tar) 1.13.17]
-rw-r--r-- neteler/users 26600 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/vegcover
-rw-r--r-- neteler/users 46583 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/roads
-rw-r--r-- neteler/users    16 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/soils.Kfactor
-rw-r--r-- neteler/users 26600 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/rstrct.areas
-rw-r--r-- neteler/users    16 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/soils.range
-rw-r--r-- neteler/users  1191 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/railroads
-rw-r--r-- neteler/users 26600 1998-03-30 02:00:31 
spearfish/PERMANENT/cell/strm.dist
-rw-r--r-- neteler/users 1330000 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/spot.image
-rw-r--r-- neteler/users      16 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/slope.7
-rw-r--r-- neteler/users    1381 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/transport.misc
-rw-r--r-- neteler/users      16 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/soils.ph
-rw-r--r-- neteler/users      16 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/soils.Tfactor
-rw-r--r-- neteler/users  294978 1998-03-30 02:00:32 
spearfish/PERMANENT/cell/aspect
Hmmm, the columns got reset when encountering a big field
[1330000]... interesting, I kind of like that... maybe it is even
documented... but what would Mom think?
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