use /backup as default

diff --git a/ssbrowse.sh b/ssbrowse.sh
index 82a7b374e33d428e31e1d45f829e662d300b148b..d9c06b6feadd31d16c81ab584e1a9a8d647ac593 100755 (executable)
--- a/ssbrowse.sh
+++ b/ssbrowse.sh
@@ -2,8 +2,7 @@
 #
 # Browse snapshots of a given path and run meld to compare with
 # current directory
-# $1: path -- into mounted nilfs
-# $2: [path] -- to compare with
+# $1: path -- for mounted nilfs
 
 ## Prepare for mounting of snapshots
 MOUNT=/tmp/ssmeld-$$
@@ -11,18 +10,19 @@ mkdir -p $MOUNT || exit 1
 
 function exitbrowse() {
     umount $MOUNT 2>/dev/null
-    rmdir -f $MOUNT
+    rmdir $MOUNT
     trap "" 0
 }
 trap "exitbrowse" 0 2 9 15
 
-DF=( $(df $1 | awk '{d=$1;p=$NF;} END {printf "%s %s", d, p;}') )
+ARG1="${1-/backup}"
+DF=( $(df $ARG1 | awk '{d=$1;p=$NF;} END {printf "%s %s", d, p;}') )
 
-NILFSROOT=${DF[1]}
-NILFSDEV=${DF[0]}
-PTR="${1#$NILFSROOT}"
-DIR0=$MOUNT$PTR
-DIR1=$NILFSROOT
+NILFSROOT="${DF[1]}"
+NILFSDEV="${DF[0]}"
+PTR="${ARG1#$NILFSROOT}"
+DIR0="$MOUNT$PTR"
+DIR1="$NILFSROOT"
 
 function snap2iselect() {
     lscp -r -s $NILFSDEV  | while read CNO DATE TIME REST ; do