Powershell - use string from function in Outfile

Question

I'am trying to use the return string from the function as file name for the downloaded file as timestamp. I'm not shure, why is does not work. Can you help me please?

Thank you!

    Push-Location $(Split-Path $Script:MyInvocation.MyCommand.Path)
Invoke-WebRequest https://chartership.eu/images/preislisten/CS-Preis-Belegung.xlsx.pdf -Outfile Get-TimeStamp

function Get-TimeStamp {

    return "[{0:MM/dd/yy} {0:HH:mm:ss}].pdf" -f (Get-Date)

}

If you problem has been answered satisfactorily, please mark it as the answer. If not, please comment on what you still are having trouble with. — philselmer
– philselmer, Commented May 3, 2020 at 21:06

philselmer · Accepted Answer · 2020-05-03 21:05:35Z

1

Windows doesn't allow : in the filename. Additionally, PowerShell really doesn't like [ or ] in folder or filenames, either. I really just changed the format string and added parenthesis around Get-TimeStamp so it would call the function instead of using that as the filename.

This worked for me:

function Get-TimeStamp {
    "{0:MM-dd-yy} {0:HH_mm_ss}.pdf" -f (Get-Date)
}

Push-Location $(Split-Path $Script:MyInvocation.MyCommand.Path)

Invoke-WebRequest  https://chartership.eu/images/preislisten/CS-Preis-Belegung.xlsx.pdf -Outfile (Get-TimeStamp)

edited May 3, 2020 at 21:05

answered Apr 30, 2020 at 20:18

philselmer

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2 Comments

Theo Over a year ago

You can simplify with "{0:MM-dd-yy HH_mm_ss}.pdf" -f (Get-Date)

philselmer Over a year ago

Indeed you can. I was just working with what was provided.

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