Powershell send mail

Question

I am having the following problem. I have a powershell script to send me emails with log files attached. The only problem is that I need only the log files that are not empty. So i have tried to use this script:

If ((Get-content "Log.txt") -gt 0 ) { $smtp.Send($msg) echo "email sent" } else { echo "File is blank" }

It seems that -gt 0 is not working for me. No matter what I have tried powershell still sends me the empty logs. So can you please show me where I am wrong? I have tried this as well:

If ((Get-Content $file) -eq $Null) { "File is blank" } else { $smtp.Send($msg) echo "email sent" }

But it is still not working.

Thank you in advance.

I don't know much about PowerShell, I basically avoid Windows altogether. But I would assume you could check the actual filesize instead of using Get-content. Then use filesize to determine whether or not to send the file. — user1596138
– user1596138, Commented May 16, 2013 at 16:26
Hi Josiah, thanks for the comment. I have tried with actual filesize but the result was the same . Empty file name is sent. If ((Get-ChildItem "Log.txt") | foreach -process ( $_.length/1MB -gt ("0.00") )) { $smtp.Send($msg) echo "email sent" } else { echo "File is blank" } The thing is that if i create a empty file its size is 0KB, but the log file on the server is 1KB even it is empty. — user1097593
– user1097593, Commented May 16, 2013 at 18:23
First of all I know you're new, just thought I'd let you know to wrap your code in backticks to format it in blocks. Secondly what I would do is see how big the file is if you just put one character in it. If it changes to 2KB then just consider anything <= 1KB as blank. — user1596138
– user1596138, Commented May 16, 2013 at 18:52

alroc · Accepted Answer · 2013-05-23 13:31:44Z

Get-Content will read the entire contents of the file - only to throw it all away! That's a huge waste of resources.

Instead, get info from the fileystem itself about the file with get-item or get-childitem.

if ((get-item "log.txt").length -gt 0) { do stuff }

It also looks like you're using an antiquated method of sending email. In PowerShell 2.0 and above, use Send-MailMessage - it's much easier to use. In fact, if you have all the logfiles in one directory, you can distill this to a two-liner:

$logs = get-childitem -path PATH_TO_LOGS|where-object{($_.length -gt 0) -and !$_.PSIsContainer}|select-object -expandproperty fullname Send-Mailmessage -attachments $logs OTHER_PARAMETERS_HERE

thanks for the help. I have managed to do it using Send-Mailmessage and get-content t check if file is empty or not.

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