src/ini.bash

   1 # http://ajdiaz.wordpress.com/2008/02/09/bash-ini-parser/
   2
   3 function cfg.parser ()
   4 {
   5     _old_IFS="$IFS"               # save $IFS
   6     IFS=$'\n' && ini=( $(<$1) ) # convert to line-array
   7     ini=( ${ini[*]//;*/} ) # remove comments `;'
   8     ini=( ${ini[*]//\#*/} ) # remove comments `#'
   9     ini=( ${ini[*]/\ =\ /=} ) # remove anything with a space around `=`
  10     ini=( ${ini[*]/#[/\}$'\n'cfg.section.} ) # set section prefix
  11         ini=( ${ini[*]/%]/ \(} ) # convert text2function (1)
  12     ini=( ${ini[*]/=/=\( } ) # convert item to array
  13     ini=( ${ini[*]/%/ \)} ) # close array parenthesis
  14     ini=( ${ini[*]/%\( \)/\(\) \{} ) # convert text2function (2)
  15     ini=( ${ini[*]/%\} \)/\}} ) # remove extra parenthesis
  16     ini=( ${ini[*]/#\ */} ) # remove blank lines
  17     ini=( ${ini[*]/#\ */} ) # remove blank lines with tabs
  18     ini[0]='' # remove first element
  19     ini[${#ini[*]} + 1]='}' # add the last brace
  20     # printf "%s\n" ${ini[*]}
  21     eval "$(echo "${ini[*]}")" # eval the result
  22     if [ -z "$_old_IFS" ]       # restore old $IFS
  23         then unset IFS
  24         else IFS="$_old_IFS"
  25     fi
  26 }