From 5f62d224b0cef3e39667d218cd74be34b2c8219c Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Sat, 7 Mar 2015 10:07:36 +0900
Subject: [PATCH] Fix fzf-tmux script (bash 3.2 compatibility)

---
 bin/fzf-tmux | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/fzf-tmux b/bin/fzf-tmux
index d945c154..b4e041d9 100755
--- a/bin/fzf-tmux
+++ b/bin/fzf-tmux
@@ -15,7 +15,7 @@ while [ $# -gt 0 ]; do
         size="$1"
       fi
       [[ "$arg"  =~ ^-w ]] && opt="-h"
-      [[ "$size" =~ %$  ]] && opt="$opt -p ${size:0:-1}" ||
+      [[ "$size" =~ %$  ]] && opt="$opt -p ${size:0:((${#size}-1))}" ||
                               opt="$opt -l $size"
       ;;
     --)