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Shell Programming and Scripting

Read Strings in as options to switches

 
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Old 02-11-2013
Read Strings in as options to switches
I have a script using getops with -a -t -l as potential switches, based on the switches used, it will set the respective variable value which will cause the routine/function to run. I need to also pass a string with the switch that will get parsed by the function.

Code:
example
./myscript -a apples,oranges,pears -t ham,pastrami,bologna

while getops atl OPTION
do
case $OPTION in
a) AVAR=ACTIVE ;;
t) TVAR=ACTIVE ;;
esac
done

if [ $AVAR ]
then
read in string "apples,oranges,pears"
etc...

if [$TVAR]
then
read in string "ham,pastrami,bologna"

I need help to pass the strings that follow the switches in to the blocks that apply to those switches. I don't want an interactive script, I need to pass everything as args.
 
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pg_config

PG_CONFIG(1)						  PostgreSQL 9.2.7 Documentation					      PG_CONFIG(1)

NAME

       pg_config - retrieve information about the installed version of PostgreSQL

SYNOPSIS

       pg_config [option...]

DESCRIPTION

       The pg_config utility prints configuration parameters of the currently installed version of PostgreSQL. It is intended, for example, to be
       used by software packages that want to interface to PostgreSQL to facilitate finding the required header files and libraries.

OPTIONS

       To use pg_config, supply one or more of the following options:

       --bindir
	   Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the
	   pg_config program resides.

       --docdir
	   Print the location of documentation files.

       --htmldir
	   Print the location of HTML documentation files.

       --includedir
	   Print the location of C header files of the client interfaces.

       --pkgincludedir
	   Print the location of other C header files.

       --includedir-server
	   Print the location of C header files for server programming.

       --libdir
	   Print the location of object code libraries.

       --pkglibdir
	   Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files
	   might also be installed in this directory.)

       --localedir
	   Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was
	   built.)

       --mandir
	   Print the location of manual pages.

       --sharedir
	   Print the location of architecture-independent support files.

       --sysconfdir
	   Print the location of system-wide configuration files.

       --pgxs
	   Print the location of extension makefiles.

       --configure
	   Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce
	   the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often
	   contain vendor-specific custom patches.) See also the examples below.

       --cc
	   Print the value of the CC variable that was used for building PostgreSQL. This shows the C compiler used.

       --cppflags
	   Print the value of the CPPFLAGS variable that was used for building PostgreSQL. This shows C compiler switches needed at preprocessing
	   time (typically, -I switches).

       --cflags
	   Print the value of the CFLAGS variable that was used for building PostgreSQL. This shows C compiler switches.

       --cflags_sl
	   Print the value of the CFLAGS_SL variable that was used for building PostgreSQL. This shows extra C compiler switches used for building
	   shared libraries.

       --ldflags
	   Print the value of the LDFLAGS variable that was used for building PostgreSQL. This shows linker switches.

       --ldflags_ex
	   Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL. This shows linker switches used for building
	   executables only.

       --ldflags_sl
	   Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL. This shows linker switches used for building shared
	   libraries only.

       --libs
	   Print the value of the LIBS variable that was used for building PostgreSQL. This normally contains -l switches for external libraries
	   linked into PostgreSQL.

       --version
	   Print the version of PostgreSQL.

       -?, --help
	   Show help about pg_config command line arguments, and exit.
       If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available
       information is printed, with labels.

NOTES

       The option --includedir-server was added in PostgreSQL 7.2. In prior releases, the server include files were installed in the same location
       as the client headers, which could be queried with the option --includedir. To make your package handle both cases, try the newer option
       first and test the exit status to see whether it succeeded.

       The options --docdir, --pkgincludedir, --localedir, --mandir, --sharedir, --sysconfdir, --cc, --cppflags, --cflags, --cflags_sl, --ldflags,
       --ldflags_sl, and --libs were added in PostgreSQL 8.1. The option --htmldir was added in PostgreSQL 8.4. The option --ldflags_ex was added
       in PostgreSQL 9.0.

       In releases prior to PostgreSQL 7.1, before pg_config came to be, a method for finding the equivalent configuration information did not
       exist.

EXAMPLE

       To reproduce the build configuration of the current PostgreSQL installation, run the following command:

	   eval ./configure `pg_config --configure`

       The output of pg_config --configure contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using
       eval is required for proper results.

PostgreSQL 9.2.7						    2014-02-17							      PG_CONFIG(1)