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I would like to know if is it possible to modify/create values in XML files using PowerShell. Basically I'm interested in: Modify values in the XML file or create them if they don't exist (i.e. I need to search the item, create if not exists and modify the value) Deal with different XML syntax in the same XML file like those ones: Syntax 1:. Recently, we faced a problem: the PowerShell cmdlet returns a number in a variable of String type. As a result, we cannot compare it with another variable of type Integer. In this article, we will look at how to set the type of a PowerShell variable and convert a. Turn a list into one string. I often have a list of items I want to turn into a comma-separated string, and I find using PowerShell is the quick an easy way. I just copy-paste the list into a here string which is a multi-line string beginning with @" and ending with "@ at the start of a line. Here is a friendly-to-read example. For those who have lived in the Linux/Unix command line, the 'grep' command is a commonly used way of finding something that you want in a chunk of data. Øyvind Kallstad did a great writeup of comparing a bunch of ways to use PowerShell instead of grep which is worth reading.. The article covers a bunch of scenarios, and is centered around starting with the 'grep' command and working. Single Powershell Comment Line. You can make a single line comment in Powershell by using the hash symbol. All text to the right of the symbol will be treated as a comment and will not be processed as code when running the script. Examples of using single line comments include: # This is a comment. get-process # This command will list all. In PowerShell, we can use the join operator ( -join) to convert multiple strings into a single string. The join operator concatenates a set of strings into a single string. The strings are separated with a delimiter and appended into the result string. The following command joins the array of strings into a single string as comma (,) separated. I'm pretty new to powershell scripting and am working on manipulating data that I get back from a sql query into some reports. I can return the data without any issue if I just run the command but when I try to store the output of that command into a variable, so that I can call it later, the output of the variable seems to be property values instead of the values of the data themselves. To access PowerShell from SSMS, after logging into your SQL Server instance, right-click on the top-level instance node and select the 'Start PowerShell' option. Note that you can also right-click on other nodes e.g. on a specific database node to launch PowerShell within the context of a specific database. I think you need to learn PowerShell first. Your idea of how to do this is a bit off. You cannot convert a datatime field to a string . You can only output it as a string . ... I need to convert a date time format as string . In a dataset I can't because the column is formatted as datetime and don't accept string . So I can't convert directly in.