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Top Forums Shell Programming and Scripting sed delete but save deleted output into other file Post 302632207 by holyearth on Sunday 29th of April 2012 01:38:15 PM
Old 04-29-2012
sed delete but save deleted output into other file

Hi guys, I am currently using this to save first 50 lines into top50.txt and delete them from list.txt ... it's 2 commands:

Code:
head -n 50 list.txt > top50.txt && sed -i "1,50 d" list.txt

I want to change that so it's 1 command - whereby sed removes the first 50 lines as above but that which is removed gets saved to top50.txt - so no need for the head command as I am doing....

Can that be done? Thanks in advance!
 

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BEAV(1) 						      General Commands Manual							   BEAV(1)

NAME
beav - binary file editor and viewer SYNOPSIS
beav [file...] DESCRIPTION
This is a brief description of the minimal set of commands that are necessary to start using beav effectively. For more information, review the file /usr/share/doc/beav/beav140.txt.gz. The file-visit command, Ctl-X Ctl-V, can be used to read a file in for editing. The file can also be read in from the command line; beav <edit_file>. Data is displayed in one or more windows. These commands can be used to navigate around the windows. move-back-char Ctl-B moves left move-back-line Ctl-P moves up move-forw-char Ctl-F moves right move-forw-line Ctl-N moves down window-delete Ctl-X 0 delete window window-expand Ctl-X 1 expand window The move-to-byte command, Ctl-X G, will prompt you for a byte position to move to. These commands will insert a zero byte at the cursor position or delete the byte at that position. insert-unit Ctl-X I delete-forw-unit Esc D The file-save command, Ctl-X Ctl-S, will save the data to the file if a change has been made. The help command, Esc ?, will display a list of all commands and their current key bindings. The abort-cmd command, Ctl-G, will abort any command that is in operation. The quit-no-save command, Ctl-X Ctl-C, will exit beav. If there is any data that has not been saved you will be warned. FILES
/usr/share/doc/beav/beav140.txt.gz BEAV(1)
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