Man page - nspatch(1)

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Package: nsdiff
apt-get install nsdiff

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nsdiff

Manual

NSPATCH

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXIT STATUS
ENVIRONMENT
VERSION
SEE ALSO

NAME

nspatch - run ‘nsdiff | nsupdate‘ with error handling

SYNOPSIS

nspatch [ -hVv ] [ -r count ]
-- [nsdiff options] -- [nsupdate options]

DESCRIPTION

The nspatch utility runs ‘"nsdiff | nsupdate"‘ and checks that both programs complete successfully. It suppresses their output unless there is an error, in a manner suitable for running from cron .

The nsupdate script produced by nsdiff includes a prerequisite check to detect and fail if there is a concurrent update. These failures are detected by nspatch which retries the update.

Rather than using a pipe, nspatch uses temporary files to store the output of nsdiff and nsupdate .

OPTIONS

	-h		Display this documentation.
	-V		Display version information.

-r count

If the update fails because of a concurrent update, nspatch will retry up to count times. The default retry count is 2.

-v

Turn on verbose mode, so the output from nsdiff and nsupdate is printed even if they are successful. (By default it is suppressed.)

The verbose option is passed on to nsdiff . If nspatch is not given the -v option, it passes the -v ’’ option to nsdiff . If nspatch is given the -v option, it passes the -v ’qr’ option to nsdiff .

EXIT STATUS

The nspatch utility returns 0 if no change is required or if the update is successful, or 1 if there is an error.

ENVIRONMENT

"TMPDIR"

Location for temporary files.

VERSION

This is nspatch-1.85 <https://dotat.at/prog/nsdiff/>
Written by Tony Finch <fanf2@cam.ac.uk> <dot@dotat.at>
at Cambridge University Information Services.
You may do anything with this. It has no warranty.