From 782fad08fd37cbf2144ea203430f37608b156ae8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Mengu=C3=A9?= <dolmen@cpan.org>
Date: Wed, 22 Jan 2014 22:56:48 +0100
Subject: [PATCH] Save IFS at startup to restore it in _lp_set_prompt

We already restore IFS to its default value. This patch only changes the
way it is done to avoid a call to 'echo' in a sub-shell at runtime.
Fixes #267.
---
 liquidprompt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/liquidprompt b/liquidprompt
index 13d010b..4052014 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -87,6 +87,10 @@ else
     return
 fi
 
+# Save $IFS as we want to restore the default value at the beginning of the
+# prompt function
+_LP_IFS="$IFS"
+
 
 ###############
 # OS specific #
@@ -1547,8 +1551,7 @@ _lp_set_prompt()
 
     # Reset IFS to its default value to avoid strange behaviors
     # (in case the user is playing with the value at the prompt)
-    local IFS="$(echo -e ' \t')
-"       # space, tab, LF
+    local IFS="$_LP_IFS"
 
     # execute the old prompt
     eval "$LP_OLD_PROMPT_COMMAND"