From f34d6bf31b8786874a647c8a483cc8751466efc5 Mon Sep 17 00:00:00 2001
From: LAN-TW <lantw44@gmail.com>
Date: Thu, 29 Dec 2011 22:50:15 +0800
Subject: =?UTF-8?q?bash=5Finclude:=20=E9=A1=AF=E7=A4=BA=E6=AD=B7=E5=8F=B2?=
 =?UTF-8?q?=E7=B4=80=E9=8C=84=E6=96=B0=E5=A2=9E=E7=9A=84=E8=A1=8C=E6=95=B8?=
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---
 bash_include | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'bash_include')

diff --git a/bash_include b/bash_include
index 8e7e10d..5647ac4 100644
--- a/bash_include
+++ b/bash_include
@@ -11,7 +11,7 @@ if tty -s; then interactive_shell=1; fi
 
 # Internal Variables
 
-default_tty_setting=`stty -g`
+[ "$interactive_shell" ] && default_tty_setting=`stty -g`
 
 colorprompting='\[\e[1;31m\]\!\[\e[m\] [\[\e[1;33m\]\u\[\e[m\]@\[\e[1;32m\]\h\[\e[m\] \[\e[1;36m\]\w\[\e[m\]]\$ '
 nocolorprompting='\! [\u@\h \w]\$ '
@@ -307,7 +307,13 @@ function prehistory_backup ()
 		echo " 4. Run the command \`prehistory_backup' again."
 		return 3
 	fi
-	echo "Backing up current history file ($previoushistorycount -> $currentcount)"
+	echo -n "Backing up current history file ($previoushistorycount -> $currentcount, "
+	if [ "$previoushistorycount" = "$currentcount" ]
+	then
+		echo "no modification)"
+	else
+		echo "+$(($currentcount-$previoushistorycount)))"
+	fi
 	echo "$currentcount" > "$historycountfile"
 	\cp -f "$HISTFILE" "$historybackupfile"
 }
-- 
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