open (data, "<input.txt");
    while (<data>) {
   s/^\s+//g;                          #LTRIM
    if (/"(.*)"\)(.*)$/) {              #pattern match
        $parameter = $1;
        $var       = $2 . "\n";
    } else {
        $var = $_;
    }
  if (/case/../esac/){
     if (/"(.*)"\)(.*)$/) {
    $parameter ="$parameter:$1";
      $var       = $2 . "\n";
}
}
    if (/;;/) { print "\n"; next; }
  if($var=~/^\s*$/) {next;}      #if $var is empty or 1 or more than 1 whitespaces.
  elsif ($var!~/=/) {next;}      #ignore if $var does not consist "=" sign

else{
    print "$parameter: $var";
}
}
close data;