How to eliminate entire lines with sed

[Gerhard Moeller]

data at buhub (Mark Hall) writes:

>I'm having a minor problem.  I want to use a shell script that I have in my
>.profile to do some things dealing with mail.  I use checkmail and a custom
>script that keeps track of the number of new messages.  When I log in, it
>tells me how many NEW messages I have by subtracting the number of lines
>returned from the Checkmail /usr/mail/data | wc -l by the number in the
>.mailchk file I create (it only contains a single number).
>When I display the messages in my mailbox, I'd like to remove the first "x"
>lines from the listing.  Any suggestions?

No problem:
		x=<whatever you like>
		sed '1,'$x'd' < .... > ....
If you want to write onto the same lising file, use the "overwrite" from
Kernighan.

>SUmmary:  WHat I want to do is pass the number in the .mailchk file and delete
>that number of lines from the beginning of my input by using sed.


		So long, Gerhard.
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