How to duplicate rows of text from one file to another?
So one of the file has this:
input.txt
a
b
c
d
how do you create this?
output.txt
a
b
c
d
a
b
c
d
a
b
c
d
there's gotta be a simple one liner that can get this done quickly.
Thanks in advance!
Last edited by guest; 04-25-2009 at 04:34 AM.
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