06-09-2004
Here is another option. Assume that I have a script called somescript and it needs a config file. I would call the config file something like somescript.cfg and it would contain stuff like:
THIS="something"
THAT="something else"
The key is that the config file itself is ksh code. Then in the real script I can source it with:
. /path/to/somescript.cfg
Recall that the dot command runs a subscript in the same shell. Now those variable are defined and I can just reference them.
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LEARN ABOUT LINUX
libnetcfg
LIBNETCFG(1) Perl Programmers Reference Guide LIBNETCFG(1)
NAME
libnetcfg - configure libnet
DESCRIPTION
The libnetcfg utility can be used to configure the libnet. Starting from perl 5.8 libnet is part of the standard Perl distribution, but
the libnetcfg can be used for any libnet installation.
USAGE
Without arguments libnetcfg displays the current configuration.
$ libnetcfg
# old config ./libnet.cfg
daytime_hosts ntp1.none.such
ftp_int_passive 0
ftp_testhost ftp.funet.fi
inet_domain none.such
nntp_hosts nntp.none.such
ph_hosts
pop3_hosts pop.none.such
smtp_hosts smtp.none.such
snpp_hosts
test_exist 1
test_hosts 1
time_hosts ntp.none.such
# libnetcfg -h for help
$
It tells where the old configuration file was found (if found).
The "-h" option will show a usage message.
To change the configuration you will need to use either the "-c" or the "-d" options.
The default name of the old configuration file is by default "libnet.cfg", unless otherwise specified using the -i option, "-i oldfile",
and it is searched first from the current directory, and then from your module path.
The default name of the new configuration file is "libnet.cfg", and by default it is written to the current directory, unless otherwise
specified using the -o option, "-o newfile".
SEE ALSO
Net::Config, Net::libnetFAQ
AUTHORS
Graham Barr, the original Configure script of libnet.
Jarkko Hietaniemi, conversion into libnetcfg for inclusion into Perl 5.8.
perl v5.12.4 2013-03-18 LIBNETCFG(1)