fix fix_disk.sh: it's works now

hdd/fix_disk.sh

 #!/bin/sh
 
+# fix_disk fix unreadavke sectors by overwrite it
+# fix_dist get list of unreadable sectors from system log
+
 # TODO: use ddrescue log
 # ddrescue -n in /dev/null logfile
 
 if [ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] ; then
     echo "Usage:"
-    echo "fix_disk [--fix]
+    echo "fix_disk [--fix]"
     exit
 fi
 
@@ -51,9 +54,9 @@ fix_block()
 }
 
 
-# by dmesg 
+# by dmesg
 # FIXME: which device??
-#BLOCKLIST=$(
+#BLOCKLIST=
 #Buffer I/O error on device sda, logical block 32607659
 #dmesg | grep "logical block " | sed -e "s|.*Buffer I/O error on device \(sd[a-z]\), logical block \([0-9]*\)|\1 \2|g" | sort -u | \
 echo |