[mythtv-users] Off topic. Use of AWK?

[David Frankland]

Mark Hutchinson wrote:
> Off topic, but I bet some expert here knows how to do this.
> I think awk or sed may be the way to go?
>
> I simply want to append an asterisk to the first 3 lines of a file.
>
> eg.
> test
> test
> test
> test
> test
> test
>
> to
>
> *test
> *test
> *test
> test
> test
> test
>
> I need to do this on many files.
>
> What would the command be to do this?
try:

sed -i "1,3s/^/*&/" filename-goes-here

you can use wildcards, eg *.txt for the filename
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