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12-09-2005
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Joining 3 lines at a time
Hi,
I have a file which has the contents as below : 07:38:36 EST date 20041117 07:39:06 EST 07:00:29 EDT date 20050504 07:25:16 EDT 07:00:40 EDT date 20050505 07:23:12 EDT I need to delete the new line character from all lines except 3rd,6th,9th etc. lines so that i get the output as below : 07:38:36 EST date 20041117 07:39:06 EST 07:00:29 EDT date 20050504 07:25:16 EDT 07:00:40 EDT date 20050505 07:23:12 EDT How can I achieve this ?? I tried some combinations of sed which I know but no success ...... for eg: sed 'N;s/\n/ /' can join pairs of lines ... but not 3 lines at a time .. I am searching for some kind of one liner like that .. not a script .. Can anyone pls help ?? |
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