Expressions in single-quoted strings are not evaluated, not even escape characters or any of the Special characters listed above. When you enclose a string in single quotation marks, any variable names in the string such as '$myVar' will appear exacly as typed when the command is processed. To have the second command run only if the first fails: Try Quotation MarksĮither single or double quotes may be used to specify a literal string. The semicolon Command Separator can be thought of as a short code for a Carriage Return/Newline. PS C:\> Write-Host "Header1`tHeader2 `n123.45`t600"Ī semicolon can be used to split up multiple commands on the same line.įirst-command Second-command Third-command The same effect can also be achieved by doubling-up the quote marks: "" or ''įor powershell.exe, the horizontal tab stops are every 8th character.Įxamples PS C:\> Write-Host "First Line `nSecond line" The escaped quotes allow quotation marks to be displayed on screen rather than being interpreted as the start or end of a string. When setting a string variable the # character does not need to be escaped, but at the command line # will act as a comment unless escaped: `` To avoid using a Grave-accent as the escape character Using the Escape character to avoid special meaning. The `r (carriage return) is ignored in PowerShell (ISE) Integrated Scripting Environment host application console, it does work in a PowerShell console session. `v Vertical tab (use with printer output) Special characters are used to format/position string output. ![]() For example $myVariable will normally be expanded to display the variables contents but `$myVariable will just be passed as $myVariableģ) When used inside double quotation marks, the escape character indicates that the following character should be interpreted as a 'special' character. The escape character can be used in three ways:ġ) When used at the end of a line, it is a continuation character - so the command will continue on the next line.Ģ) To indicate that the next character following should be passed without substitution. The PowerShell escape character is the grave-accent( `) How-to: Escape characters, Delimiters and Quotes
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