rename data fiels

show2cp

@@ -1,12 +1,12 @@
 #!/bin/bash
 
-md5=$1
-[ -z "$md5" ] &&  md5=2cp
+md5="$1"
+[ -z "$md5" ] &&  md5=2cp.md5
 [ -f "$md5" ] || { echo "ERROR: $md5 not found"; exit 255; }
 
 function calc_kb() {
  i=0
- cat $1 | cut -c 34- | while read line; do
+ cat "$1" | cut -c 34- | while read line; do
   kb=$(du "$line" | cut -f 1)
   i=$((i+kb))
   echo $i