Make POSIX. Quote variables to prevent splitting.

stowall.sh

@@ -1,20 +1,24 @@
-#!/bin/bash
+#!/bin/sh
 
-if [[ $# != 1 ]]; then
+if [ $# != 1 ]; then
 	echo "Provide -s or -d switch"
-	exit -1
+	exit 1
 fi
 
-for item in $(ls ~/.Dotfiles/)
+if [ "${PWD}" != "{HOME}/.Dotfiles" ]; then
+	echo "Please place this file in ${HOME}/.Dotfiles"
+fi
+
+for item in *
 do
-	if [[ -d $item ]]; then
-		if [[ $1 == '-s' ]]; then
-			stow -v $item
-		elif [[ $1 == '-d' ]]; then
-			stow -vD $item
+	if [ -d "${item}" ]; then
+		if [ "$1" = "-s" ]; then
+			stow -v "${item}"
+		elif [ "$1" = "-d" ]; then
+			stow -vD "${item}"
 		else
-			echo "Unknown option"
-			exit -2
+			echo "Provide -s or -d switch"
+			exit 2
 		fi
 	fi
 done