Added INI editor

edit-ini

@@ -0,0 +1,59 @@
+#!/bin/sh
+#The script inserts or replaces an ini field where $1 is the path of the target file and $2 is the value to add or replace. $2 has the form section:property=value. It only cares about the first instance of $2
+
+file=$2
+change=$3
+section=$(printf $change | cut -d ':' -f 1)
+property=$(printf $change | cut -d ':' -f 2)
+property_type=$(printf $property | cut -d '=' -f 1)
+ex_blank='^\s*$'
+ex_any_sec='^\[.*\]$'
+#ex_sec='/^\[$section\]/,/^\[.*\]$\|^\s*$/'
+
+check_args() {
+	if [ $1 -ne $2 ]; then
+		printf "Invalid number of arguments. Expected $2\n$@\n"
+		exit;
+	fi
+	return 0;
+}
+
+replace() {
+	sed -i "/^\[$section\]/,/$ex_any_sec\|$ex_blank/ {s/^$property_type=.*$/$property/ }" $1
+}
+
+add() {
+	#Check if the section exists. If not, abort.
+	if [ -z "$(sed "/^\[$section\]$/p" $1)" ]; then printf "section $section does not exist. Aborting.\n" exit; fi
+	sed -i "/^\[$section\]/a $property" $1
+}
+
+insert() {
+	#Check if the field is already there
+	field=$(sed -n "/^\[$section\]/,/$ex_any_sec\|$ex_blank/ {/^$property_type=.*$/p}" $1)
+
+	if [ -z $field ]; then add $1; else replace $1; fi
+}
+
+get() {
+	#Prints a section of the ini file
+	sed -n "/^\[$section\]/,/$ex_any_sec\|$ex_blank/ p" $1
+}
+
+make() {
+	sed -i "$ G; $ a [$section]" $1
+}
+
+sdelete() {
+	sed -i "/^\[$section\]/,/$ex_any_sec\|$ex_blank/ {/$ex_any_sec/! d; /\[$section\]/d}" $1
+
+}
+
+check_args $# 3
+case $1 in
+	insert) insert $2 $3;;
+	get) get $2 $3;;
+	make) make $2 $3;;
+	sdelete) sdelete $2 $3;;
+	*) printf "invalid command $1";;
+esac