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Top Forums Shell Programming and Scripting converting rows into columns Post 302484686 by DGPickett on Sunday 2nd of January 2011 07:16:47 PM

Old

01-02-2011

Registered User

Not really rows to columns = twirling a matrix on the diagonal, so sed can pile them back up:

Code:

sed '
:loop
$b
N
s/\n$//
t
s/\n/ /
t loop

Narrative: sed:

set a branch target named loop,
if at EOF branch (to end = print and exit),
get next line onto end of buffer,
if it is a blank field, remove it,
if we removed it, branch (to end = print, delete and start new line),
make the line feed a space
go back to loop (clearing the sustitute test flag at the same time).

DGPickett

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