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Eval is understood to be the step of converting a quoted string into a callable function and its arguments, whereas apply is the actual call of the function with a given set of arguments. The distinction is particularly noticeable in functional languages , and languages based on lambda calculus , such as LISP and Scheme .
In PowerShell, here documents are referred to as here-strings. A here-string is a string which starts with an open delimiter (@" or @') and ends with a close delimiter ("@ or '@) on a line by itself, which terminates the string. All characters between the open and close delimiter are considered the string literal.
PowerShell accepts strings, both raw and escaped. A string enclosed between single quotation marks is a raw string while a string enclosed between double quotation marks is an escaped string. PowerShell treats straight and curly quotes as equivalent. [57] The following list of special characters is supported by PowerShell: [58]
convert is an external command first introduced with Windows 2000. [2] If the drive cannot be locked (for example, the drive is the system volume or the current drive) the command gives the option to convert the drive the next time the computer is restarted.
In computer programming, string interpolation (or variable interpolation, variable substitution, or variable expansion) is the process of evaluating a string literal containing one or more placeholders, yielding a result in which the placeholders are replaced with their corresponding values.
Windows PowerShell (up to 5.1) will add a BOM when it saves UTF-8 XML documents. However, PowerShell Core 6 has added a -Encoding switch on some cmdlets called utf8NoBOM so that document can be saved without BOM. Google Docs also adds a BOM when converting a document to a plain text file for download.
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Windows PowerShell 5.1 enabled this by default, and PowerShell 6 made it possible to embed the necessary ESC character into a string with `e. [ 10 ] Windows Terminal , introduced in 2019, supports the sequences by default, and Microsoft intends to replace the Windows Console with Windows Terminal.