From 7401415a4c6d90c48cbe8e8d9ca6cc8539c8f3c7 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Mon, 15 Aug 2011 16:17:48 -0400
Subject: IFS clobbering workaround

This is not because of too much haskell programming. It's because using
IFS in shell is always followed by chasing down IFS clobbering portability
bugs in shell, no matter how careful you are.
---
 functions | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/functions b/functions
index 74f0e0b..80844de 100644
--- a/functions
+++ b/functions
@@ -6,14 +6,15 @@ smallyes() {
 }
 
 in_path () {
-	IFS=":" _in_path "$1"
-}
-_in_path () {
+	local OLD_IFS="$IFS"
+	IFS=":"
 	for dir in $PATH; do
 		if [ -x "$dir/$1" ]; then
+			IFS="$OLD_IFS"
 			return 0
 		fi
 	done
+	IFS="$OLD_IFS"
 	return 1
 }
 
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