Verbosity of backups is turned off.

backup/backup.git.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 CD=cd
 DATE=/bin/date
 TAR=/bin/tar
@@ -48,7 +50,7 @@ for FILE in `ls -t git.*.tar.bz2.gpg`; do
 		echo "$FILE is removed to meet keep number of backups $KEEP." | tee -a $LOG
 		rm $FILE 2>&1| tee -a $LOG
 	fi;
-	i=`expr $i + 1`
+	i=$(($i+1))
 done
 i=0
 for FILE in `ls -t git.*.tar.bz2.sig`; do
@@ -56,7 +58,7 @@ for FILE in `ls -t git.*.tar.bz2.sig`; do
 		echo "$FILE is removed to meet keep number of backups $KEEP." | tee -a $LOG
 		rm $FILE 2>&1| tee -a $LOG
 	fi;
-	i=`expr $i + 1`
+	i=$(($i+1))
 done
 #
 #	Footer