sh script for file received confirmation

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# 1  
Old 06-07-2011
sh script for file received confirmation

I am new at scripting, (and this fourm- so hi guys!) and I was wondering is there something out there that I can use to do the following:

I receive a file on an FTP server
I would like a script to look at a specifc directory for a certain file
and when it arrives it will send an email confirmation.

the only caveat i see is that the same file sits there in the directory
until a new one overwrites it each day. so there will always be a file there.

I already have sendmail running so that is no issue

anything out there that I can modify?

please help!


# 2  
Old 06-07-2011
In sh: Tweak F to your needs. A bit quick but it should work



[ "$(md5sum "$F")" = "$(cat "$MD5" 2>/dev/null)" ] || {
	md5sum "$F" > "$MD5"
	# Send your e-mail here

exit 0

Schedule it with cron (crontab -e typically)

Last edited by tukuyomi; 06-07-2011 at 06:55 PM..
This User Gave Thanks to tukuyomi For This Post:
# 3  
Old 06-07-2011
Crontab this script before time of earliest arrival:
touch /tmp/fmind.mark
while [ 1 ]
  find your_file -newer /tmp/fmind.mark | read f
  if [ "$f" != "" ]
  sleep 120
ls -l $f | mailx -s "New $f"

This User Gave Thanks to DGPickett For This Post:
# 4  
Old 06-08-2011
MySQL Script to send email after file received form FTP

Thanks again to both of you!
I played with them both and this is what I can up with.
Seem to work when i run it as a cron every hour, if the file has been changed it will send the email.
[ "$(md5sum "$F")" = "$(cat "$MD5" 2>/dev/null)" ] || {
        md5sum "$F" > "$MD5"
SUBJECT="test file"
EMAILMESSAGE="test file"
echo "test file received successfully"> $EMAILMESSAGE
echo "This is an automated message please do not reply" >>$EMAILMESSAGE
# send an email using /bin/mail
/bin/mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE
exit 0

would you guys have done anything differently?

I am new at this, so it may look a bit ugly.. haha

I had one other question

How can I incorporate in the email, the date,time stamp of the file?
that would be the last piece Smilie

again this is a big help.. thanks...

Last edited by Scott; 06-08-2011 at 04:07 PM.. Reason: Please use code tags
# 5  
Old 06-08-2011
One caveat is that the file might not be wholly received to set the modify time or change checksum or hash. Nice file transmitters have some way to signal a good transfer, like an ack file or name change. At least, before using the file, use fuser to ensure it is not still being written.
This User Gave Thanks to DGPickett For This Post:
# 6  
Old 06-08-2011
So could I use fuser to tell me if the file is still being transmitted vs completed?
# 7  
Old 06-08-2011
If you don't mind a bit of delay, there's a much simpler way: Check if the file's been modified in the last 10 minutes. This won't tell you if the connection broke and left an incomplete file, but neither will fuser.
This User Gave Thanks to Corona688 For This Post:
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