txtdir.net script for removing non-text files

ssweeper.sh

#! /bin/sh

usage="Usage: ssweeper -c
\nWARNING: this will remove all files in /usr/home/* that do not match
\ntypes directory, empty or text"

if [[ $1 = "-c" ]]
then
    find /usr/home/* | while read file
    do
        if file -b "$file" | grep -q -v 'directory\|empty\|.*text.*'
        then
            echo "$file"        # log with syslog instead
            rm "$file"
        fi
    done
else
    echo $usage
fi