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Full Discussion: Need help parsing config file in ksh
Top Forums Shell Programming and Scripting Need help parsing config file in ksh Post 302392263 by cfajohnson on Wednesday 3rd of February 2010 08:49:44 PM
Old 02-03-2010
Quote:
Originally Posted by kungfusnwbrdr
I'm working on a shell script that I would like to store environment variables in an external file. I'm familiar with sourcing a file with variables in it, but I was looking for the ability to just source a section of the config file depending on what part of the script is being run.
Quote:
Ideally this needs to be in Korn (ksh) shell to be cross server compatible. I need this to work with Linux, Solaris, HP-UX and AIX.

If you want your script to be portable, you should use POSIX syntax, not ksh.

Example config file:

Code:
section=a
x=1
y=2
z=3
section=b
z=-1
y=666
y=13
section=c

Use section $1:

Code:
eval "$(sed -n "/section=$1/,/section=/p" "$file")"

 

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LEARN ABOUT SUNOS

makesh

MAKESH(1)                                                     General Commands Manual                                                    MAKESH(1)

NAME

       makeSH - a .SH script maker

SYNOPSIS

       makeSH files

DESCRIPTION

       MakeSH  examines  one or more scripts and produces a .SH file that, when run under sh, will produce the original script.  The .SH script so
       produced has two sections containing code destined for the output.  The first section has variable substitutions performed  on  it  (taking
       values  from  config.sh), while the second section does not.  MakeSH does not know which variables you want to have substituted, so it puts
       the whole script into the second section.  It's up to you to insert any variable substitutions in the first section for any values you want
       from config.sh.

       You  should  run  makeSH from within your top-level directory and use the relative path to the file as an argument, so that the "Extracting
       ..." line printed while running the produced .SH file later on will give that same path.

AUTHOR

       Larry Wall <lwall@netlabs.com>

SEE ALSO

       pat(1), metaconfig(1), makedist(1).

BUGS

       It could assume that variables from metaconfig's Glossary need to be initialized in the first section, but I'm too lazy to make it do that.

                                                                       LOCAL                                                             MAKESH(1)
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