Re: cut for whole lines

Craig White wrote:
> I am trying to script reading the table info from postgres into a file.
>
> I need to get rid of the first 2 and last 2 lines and it should be easy
> but obviously cut is for grabbing bits of lines where I need to remove
> the whole line.
>

> # cat my_tables.txt
>        tablename
> -----------------------
>  engine_schema_info
>  plugin_schema_info
> ...snipped here...
>  services
> (43 rows)

>

> I need to lose the top 2 lines:
>       tablename
> ---------------

>
> and the bottom two lines
> (43 rows)
> and a blank line (though this would probably be OK)
>
> how do I accomplish via bash or coreutils (like cut)?
>
> Thanks
>
> Craig
>

man head
man tail

You might alternatively use sed to delete the undesired lines, providing
they contain a string you can match with a regex.

--
-Eric 'shubes'
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