cut for whole lines

[Eric "Shubes"]

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'