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Indu Permalink
July 03, 2013, 07:00

Hi Peter,
Could you please explain the command?
echo "1234"|sed '/\n/!G;s/\(.\)\(.*\n\)/&\2\1/;//D;s/.//'

I didnt understand how these many iterations are applied in just one input line without any t/b loop.

Appreciate your help!


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