Bash INI parser (http://theoldschooldevops.com/2008/02/09/bash-ini-parser/)

bash_iniparse.sh

cfg.parser () {
    fixed_file=$(cat $1 | sed 's/ = /=/g')  # fix ' = ' to be '='
    IFS=$'\n' && ini=( $fixed_file )              # convert to line-array
    ini=( ${ini[*]//;*/} )                   # remove comments
    ini=( ${ini[*]/#[/\}$'\n'cfg.section.} ) # set section prefix
    ini=( ${ini[*]/%]/ \(} )                 # convert text2function (1)
    ini=( ${ini[*]/=/=\( } )                 # convert item to array
    ini=( ${ini[*]/%/ \)} )                  # close array parenthesis
    ini=( ${ini[*]/%\( \)/\(\) \{} )         # convert text2function (2)
    ini=( ${ini[*]/%\} \)/\}} )              # remove extra parenthesis
    ini[0]=''                                # remove first element
    ini[${#ini[*]} + 1]='}'                  # add the last brace
    eval "$(echo "${ini[*]}")"               # eval the result
}

# parse the config file called 'myfile.ini', with the following
# contents::
#   [sec2]
#   var2='something'
cfg.parser 'myfile.ini'
 
# enable section called 'sec2' (in the file [sec2]) for reading
cfg.section.sec2
 
# read the content of the variable called 'var2' (in the file
# var2=XXX). If your var2 is an array, then you can use
# ${var[index]}
echo "$var2"