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Full Discussion: bash: "undefined variable" and pipe
Top Forums Shell Programming and Scripting bash: "undefined variable" and pipe Post 302168391 by nagaidhlig on Monday 18th of February 2008 09:08:30 AM
Old 02-18-2008
Thanks chella, but your example only warns when you expect an error. My point was that an unsuspected "unbound variable" could get unnoticed.

radoulov, that works. I got a bit confused by the different behaviours of "./s" and "sh s" (the latter gives a syntax error).
Although, as I said, I was looking more for a setting that would raise an error with the existing code, rather than using a different construct, because when I know where to look, I can check unbound variables easily by hand.
Anyway, it probably is a feature in bash (not a bug) so I just have to be watchful.

Thank you very much again!
 

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LEARN ABOUT DEBIAN

unbound-checkconf

unbound-checkconf(8)						  unbound 1.4.17					      unbound-checkconf(8)

NAME

       unbound-checkconf - Check unbound configuration file for errors.

SYNOPSIS

       unbound-checkconf [-h] [-o option] [cfgfile]

DESCRIPTION

       Unbound-checkconf  checks  the  configuration  file for the unbound(8) DNS resolver for syntax and other errors.  The config file syntax is
       described in unbound.conf(5).

       The available options are:

       -h     Show the version and commandline option help.

       -o option
	      If given, after checking the config file the value of this option is printed to stdout.  For "" (disabled) options an empty line	is
	      printed.

       cfgfile
	      The config file to read with settings for unbound. It is checked.  If omitted, the config file at the default location is checked.

EXIT CODE

       The unbound-checkconf program exits with status code 1 on error, 0 for a correct config file.

FILES

       /etc/unbound/unbound.conf
	      unbound configuration file.

SEE ALSO

       unbound.conf(5), unbound(8).

NLnet Labs							   May 24, 2012 					      unbound-checkconf(8)
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