#
# Finds all files in your filesystem and attempts to read all the blocks
# referenced by the file.  Files that contain bad blocks are noted in stdout.
# Run as superuser.
#

#!/bin/bash

count=0

echo "Finding all files..."
find / -type f > /tmp/files
total=`wc -l /tmp/files | awk '{print $1}'`

echo "Reading all files..."
cat /tmp/files | while read -r file
do
    let count=$count+1
    let mod=$count%1000
    if [ $mod -eq 0 ]
    then
        echo $count/$total
    fi

    if [ -f "$file" ]; then
    	dd if="$file" of=/dev/null > /dev/null 2>&1
    fi

    if [ $? -ne 0 ]
    then
        echo Bad blocks found in: $file;
    fi
done