back up text files using mail function

#!/bin/bash # send a file to the email box # Copyright by http://scriptdemo.blogspot.com # Note:   #  don't forget to change the email address to your own if [ $# -eq 0 ]; then    echo "usage: mailtome file1 [file2] ..."    exit fi for nf in `seq 1 $#` do    eval "filename=\$$nf"    if [ -f $filename ]; then       mail -s "[script] $filename" YOUR-NAME@gmail.com < $filename  &&  echo "send mail successfully"    else       echo "$filename dos not exist"    fi done