04-15-2009
How to replace a range of text with sed or awk?
Howdy!
I'm trying to automate editing of a configuration file (custom.conf for GDM). I need to find every line between a line that starts with "[daemon]" and the next line that starts with "[". When I find "[daemon]", I want to preserve that line, but then delete all the lines in that configuration section and then insert several new lines of text between the first match ("[daemon]") and the second match ("]").
I suspect that I can do this with sed or at least awk, but I'm not quite sure where to start Can anyone suggest which tool might be better suited to this task and provide some code that accomplishes what I'm talking about?
Thanks,
Tad
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LEARN ABOUT DEBIAN
bbackupctl
BBACKUPCTL(8) Box Backup BBACKUPCTL(8)
NAME
bbackupctl - Control the Box Backup client daemon
SYNOPSIS
bbackupctl [-q] [-c config-file] command
DESCRIPTION
bbackupctl sends commands to a running bbackupd daemon on a client machine. It can be used to force an immediate backup, tell the daemon to
reload its configuration files or stop the daemon. If bbackupd is configured in snapshot mode, it will not back up automatically, and the
bbackupctl must be used to tell it when to start a backup.
Communication with the bbackupd daemon takes place over a local socket (not over the network). Some platforms (notably Windows) can't
determine if the user connecting on this socket has the correct credentials to execute the commands. On these platforms, ANY local user can
interfere with bbackupd. To avoid this, remove the CommandSocket option from bbackupd.conf, which will also disable bbackupctl. See the
Client Configuration page for more information.
bbackupctl needs to read the bbackupd configuration file to find out the name of the CommandSocket. If you have to tell bbackupd where to
find the configuration file, you will have to tell bbackupctl as well. The default on Unix systems is usually /etc/box/bbackupd.conf. On
Windows systems, it is bbackupd.conf in the same directory where bbackupd.exe is located. If bbackupctl cannot find or read the
configuration file, it will log an error message and exit.
bbackupctl usually writes error messages to the console and the system logs. If it is not doing what you expect, please check these outputs
first of all.
-q
Run in quiet mode.
-c config-file
Specify configuration file.
Commands
The following commands are available in bbackupctl:
terminate
This command cleanly shuts down bbackupd. This is better than killing or terminating it any other way.
reload
Causes the bbackupd daemon to re-read all its configuration files. Equivalent to kill -HUP.
sync
Initiates a backup. If no files need to be backed up, no connection will be made to the server.
force-sync
Initiates a backup, even if the SyncAllowScript says that no backup should run now.
wait-for-sync
Passively waits until the next backup starts of its own accord, and then terminates.
wait-for-end
Passively waits until the next backup starts of its own accord and finishes, and then terminates.
sync-and-wait
Initiates a backup, waits for it to finish, and then terminates.
FILES
/etc/box/bbackupd.conf
SEE ALSO
bbackupd.conf(5), bbackupd-config(8), bbackupctl(8)
AUTHORS
Ben Summers
Per Thomsen
James O'Gorman
Box Backup 0.11 10/28/2011 BBACKUPCTL(8)