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Top Forums Shell Programming and Scripting How to rewrite a line in a file Post 302117212 by c0384 on Friday 11th of May 2007 09:27:27 AM
Old 05-11-2007
How to rewrite a line in a file

Hi

Can anyone tell me how can rewrite a line in a file by using line number? I tried to use sed by failed to do so.
For example

HELLO
179.390 111.560
HOW TO DO
WHAT TO DO

to become

HELLO
200 3000
HOW TO DO
WHAT TO DO
 

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condredirect(1)                                               General Commands Manual                                              condredirect(1)

NAME
condredirect - perhaps redirect mail to another address SYNOPSIS
in .qmail: |condredirect newaddress program [ arg ... ] DESCRIPTION
condredirect feeds each new mail message to program with the given arguments. If program exits 0, condredirect forwards the mail message to newaddress, and then exits 99, so further commands in .qmail are ignored. If program exits 111, condredirect exits 111, so delivery will be retried later. If program exits anything else (or does not exist), condredirect exits 0, so the rest of .qmail will be processed as usual. Note that it is not safe for program to fork a child that reads the message in the background. WARNING: If you create a .qmail file to enable condredirect, make sure to also add a line specifying delivery to your normal mailbox. SEE ALSO
bouncesaying(1), except(1), dot-qmail(5), qmail-command(8), qmail-queue(8) condredirect(1)
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