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For function that manipulate strings, modern object-oriented languages, like C# and Java have immutable strings and return a copy (in newly allocated dynamic memory), while others, like C manipulate the original string unless the programmer copies data to a new string.
An easy mistake to make when using negative parameters is to forget that a trailing space in the text when passed as an unnamed parameter will induce an empty last chunk: {{String split |This is a piece of text to be split |" "|-1}} → {{String split |This is a piece of text to be split|" "|-1}} → split
A second common application of non-breaking spaces is in plain text file formats such as SGML, HTML, TeX and LaTeX, whose rendering engines are programmed to treat sequences of whitespace characters (space, newline, tab, form feed, etc.) as if they were a single character (but this behavior can be overridden).
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]
Tab completion showed up early in computing history; one of the first examples appeared in the Berkeley Timesharing System for the SDS 940, where if a typed string were ambiguous, the interpreter would do nothing, but if the string was not ambiguous, it would automatically complete it without any command from the user.
Strings with unbalanced quotes or braces, or non-space characters directly following closing braces, cannot be parsed as lists directly. You can explicitly split them to make a list. The "constructor" for lists is of course called list. It's recommended to use when elements come from variable or command substitution (braces won't do that).
-Variable <String> A reference to the input objects will be assigned to the specified variable. Note: tee is implemented as a ReadOnly command alias . The internal cmdlet name is Microsoft.PowerShell.Utility\Tee-Object .
PowerShell data sections can contain constants and expressions using a restricted subset of operators and commands. [79] PowerShell data sections are used when e.g. localized strings needs to be read from an external source while protecting against unwanted side effects.