diff --git a/read_ini.sh b/read_ini.sh
index 2ae2a85..e9dee68 100755
--- a/read_ini.sh
+++ b/read_ini.sh
@@ -25,7 +25,7 @@ function read_ini()
 			return 1
 		fi
 	}
-	
+
 	function check_ini_file()
 	{
 		if [ ! -r "$INI_FILE" ] ;then
@@ -34,7 +34,7 @@ function read_ini()
 			return 1
 		fi
 	}
-	
+
 	# enable some optional shell behavior (shopt)
 	function pollute_bash()
 	{
@@ -46,7 +46,7 @@ function read_ini()
 		fi
 		shopt -q -s ${SWITCH_SHOPT}
 	}
-	
+
 	# unset all local functions and restore shopt settings before returning
 	# from read_ini()
 	function cleanup_bash()
@@ -54,7 +54,7 @@ function read_ini()
 		shopt -q -u ${SWITCH_SHOPT}
 		unset -f check_prefix check_ini_file pollute_bash cleanup_bash
 	}
-	
+
 	local INI_FILE=""
 	local INI_SECTION=""
 
@@ -140,7 +140,7 @@ function read_ini()
 		cleanup_bash
 		return 0
 	fi
-	
+
 	if ! check_ini_file ;then
 		cleanup_bash
 		return 1
@@ -160,21 +160,21 @@ function read_ini()
 	local LINE_NUM=0
 	local SECTIONS_NUM=0
 	local SECTION=""
-	
+
 	# IFS is used in "read" and we want to switch it within the loop
 	local IFS=$' \t\n'
 	local IFS_OLD="${IFS}"
-	
+
 	# we need some optional shell behavior (shopt) but want to restore
 	# current settings before returning
 	local SWITCH_SHOPT=""
 	pollute_bash
-	
+
 	while read -r line || [ -n "$line" ]
 	do
-#echo line = "$line"
+echo line = "$line"
 
-		((LINE_NUM++))
+		LINE_NUM=$(($LINE_NUM + 1))
 
 		# Skip blank lines and comments
 		if [ -z "$line" -o "${line:0:1}" = ";" -o "${line:0:1}" = "#" ]
@@ -190,7 +190,7 @@ function read_ini()
 			SECTION="${line#[}"
 			SECTION="${SECTION%]}"
 			eval "${INI_ALL_SECTION}=\"\${${INI_ALL_SECTION}# } $SECTION\""
-			((SECTIONS_NUM++))
+			SECTIONS_NUM=$(($SECTIONS_NUM + 1))
 
 			continue
 		fi
@@ -218,7 +218,7 @@ function read_ini()
 		IFS="="
 		read -r VAR VAL <<< "${line}"
 		IFS="${IFS_OLD}"
-		
+
 		# delete spaces around the equal sign (using extglob)
 		VAR="${VAR%%+([[:space:]])}"
 		VAL="${VAL##+([[:space:]])}"
@@ -265,7 +265,7 @@ function read_ini()
 				;;
 			esac
 		fi
-		
+
 
 		# enclose the value in single quotes and escape any
 		# single quotes and backslashes that may be in the value