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Top Forums Shell Programming and Scripting help with creating a suitable config file Post 302490331 by Scrutinizer on Monday 24th of January 2011 03:17:11 PM
Old 01-24-2011
I put forward that "in my opinion" it is a bash-ism, I am not stating a known fact. The reason I say this is that source was in the csh line of shell, but not part of the orginal Bourne shell, nor was it in ksh. Somehow it was re-introduced and I would suspect this is because of bash.

In zsh source is not the same as . so it may give unexpected results.
dash is a modern shell, BTW. It is /bin/sh on Ubuntu, so scripts will break if one uses source, and there are more Posix shells on e.g. HP-UX or Solaris (/usr/xpg4/bin/sh). One would have to test if it worked there. In the HP-UX man page there is no mention of "source" http://h20000.www2.hp.com/bc/docs/support/SupportManual/c02267598/c02267598.pdf
 

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nsd-checkconf(8)						    nsd 3.2.12							  nsd-checkconf(8)

NAME
nsd-checkconf - NSD configuration file checker. SYNOPSIS
nsd-checkconf [-v] [-h] [-o option] [-z zonename] [-s keyname] configfile DESCRIPTION
nsd-checkconf reads a configuration file. It prints parse errors to standard error, and performs additional checks on the contents. The configfile format is described in nsd.conf(5). The utility of this program is to check a config file for errors before using it in nsd(8) or zonec(8). This program can also be used for shell scripts to access the nsd config file, using the -o and -z options. OPTIONS
-v After reading print the options to standard output in configfile format. Without this option, only success or parse errors are reported. -h Print usage help information and exit. -o option Return only this option from the config file. This option can to be used in conjunction with the -z option. The special value zones prints out a list of configured zones. This option is primarily used by nsdc to parse the config file from the shell. If the -z option is given, but the -o option is not given, nothing is printed. -s keyname Prints the key secret (base64 blob) configured for this key in the config file. Used to help shell scripts parse the config file. -z zonename Return the option specified with -o for zone 'zonename'. If this option is not given, the server section of the config file is used. This option is primarily used by nsdc to parse the con- fig file from the shell. The -o, -s and -z option print configfile options to standard output. FILES
/etc/nsd3/nsd.conf default NSD configuration file SEE ALSO
nsd(8), nsdc(8), nsd.conf(5), nsd-notify(8), nsd-patch(8), nsd-xfer(8), zonec(8) AUTHORS
NSD was written by NLnet Labs and RIPE NCC joint team. Please see CREDITS file in the distribution for further details. NLnet Labs jul 19, 2012 nsd-checkconf(8)
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