Concatenating Multiple cmdlets in Powershell

Question

I'm rather new to Powershell scripting and I'm having trouble concatenating cmdlets together into a string. I'm using Powershell V1.0 (due to company restrictions..)

I'm trying to concatenate the day, month and year together without any separators to produce a result like 07082014. I've started by using:

$strDate = get-date -Format "dd" + get-date -Format "MM" + get-date -Format "yyyy"

This produces the error:

Cannot bind parameter because parameter 'Format' is specified more than once. To provide multiple values to parameters that can accept multiple values, use the array syntax. For example, "-parameter value1,value2,value3". System.Management.Automation.CommandNotFoundException: The term 'foobar' is not recognized as a cmdlet, function, operable program, or script file. Verify the term and try again.

So instead I've tried:

$strDay = get-date -Format "dd"
$strDay = $strDay + get-date -Format "MM"
$strDay = $strDay + get-date -Format "yyyy"

But this results in another error:

You must provide a value expression on the right-hand side of the '+' operator.

My understanding is that by using the -Format parameter for get-date, a string value will be returned thus allowing concatenation to another string.

Could anyone help with where I'm going wrong?

Peter Mortensen · Accepted Answer · 2018-11-11 06:30:50Z

3

You need brackets around each call to Get-Date so that it knows they are separate:

$strDate = (Get-Date -Format "dd") + (Get-Date -Format "MM") + (Get-Date -Format "yyyy")

Although if you're just trying to get the date in this format, all you really need to do is:

$strDate = Get-Date -Format "ddMMyyyy"

edited Nov 11, 2018 at 6:30

Peter Mortensen

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answered Aug 7, 2014 at 10:23

steoleary

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