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              <title>&lt;![CDATA[Raspberry Pi automate certain tasks  – script example]]></title>
              <link>&lt;![CDATA[/2014/03/10/raspberry-pi-automate-tasks-script/]]></link>
              <pubDate>1394415705</pubDate>
              <content>&lt;![CDATA[Now, if you have followed these :
fetchmail
ssmtp
Then you already have a working system for sending and receiving mail. Now, you can set the mda in the fetmailrc to a script which can do few things for you. The script below will get a page and mail it to you, if you have the subject as “get” and send “wake on LAN” to desired PC if you have subject as “wol”. Cool 🙂
Original idea from here.
Here is the script:
#!/bin/bash
expectedFrom=&#34;&#34;
expectedFrom2=&#34;&#34;
homePC=&#34;MAC Here&#34;
mailHelp() {
sendMail $1 &#34;Help - Possible Commands&#34; &#34;Help&#34;
}
sendMail() {
echo &#34;To: &#34;$1 &amp;gt; $tmpMail
echo &#34;From: From address here&#34; &amp;gt;&amp;gt; $tmpMail
echo &#34;Subject: &#34;$2 &amp;gt;&amp;gt; $tmpMail
echo &#34;Content-Type: text/html&#34; &amp;gt;&amp;gt; $tmpMail
echo &#34;&#34; &amp;gt;&amp;gt; $tmpMail
echo $3 &amp;gt;&amp;gt; $tmpMail
cat $tempMail &amp;gt;&amp;gt; $tmpMail
cat $tmpMail|/usr/sbin/ssmtp $1
}
#here we start the actual processing
rightSender=0
sender=&#34;&#34;
tmpFile=/tmp/mailtemp
tmpMail=&#34;/var/tmp/mailtxt.txt&#34;
tempMail=&#34;/tmp/tosend.txt&#34;
&amp;gt;$tempMail
&amp;gt;$tmpFile
&amp;gt;$tmpMail
#Write the mail to tmpFile
while read line
do
echo $line &amp;gt;&amp;gt; $tmpFile
done
grep &#34;From:&#34; $tmpFile | grep $expectedFrom &amp;gt; /dev/null
if [ $? -eq 0 ]; then
rightSender=1
sender=$expectedFrom
fi
grep &#34;From:&#34; $tmpFile | grep $expectedFrom2 &amp;gt; /dev/null
if [ $? -eq 0 ]; then
rightSender=1
sender=$expectedFrom2
fi
if [ $rightSender -eq 1 ]; then
task=`grep &#34;Subject:&#34; $tmpFile`
task=${task:9}
task=`echo $task | tr [:upper:] [:lower:]`
echo $task | grep &#34;help&#34; &amp;gt; /dev/null
if [ $? -eq 0 ]; then
mailHelp $sender
exit
fi
fi
while read line
do
if [[ $line =~ ^$|^Content*:*|^charset=*|^--=* ]]; then
continue;
fi
echo &#34;LINE :: $line&#34;
case $task in
get)
cmd=&#34;wget -o /dev/null -O - $line&#34;
;;
wol)
cmd=&#34;sudo etherwake $$line&#34;
;;
*)
cmd=&#34;$line&#34;
;;
esac
eval $cmd &amp;gt;&amp;gt; $tempMail
done &amp;lt; &amp;lt;( sed &#39;1,/^$/ d&#39; $tmpFile|sed &#39;/^--$/,$ d&#39;)
sendMail $sender &#34;Output result of command $task&#34; &#34;Happy Hacking&#34;
rm $tmpFile
rm $tmpMail
rm $tempMail Related articles Who moved my Pi? Manage your servers the easy way with perl script over ssh with no remote client. ]]></content>
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