Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Jan 022010

How to add line number to a file?


The easiest way is to use the "sed" command

sed = test.txt | sed 'N; s/^/ /; s/ *\(.\{6,\}\)\n/\1 /'

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