What Is String in Windows PowerShell
What is a string in Windows PowerShell?
A string is a sequence of characters in Windows PowerShell.
If a sting is encoded in ASCII format, each character occupies a single byte. But if a string is encoded in UTF-8 format, a character may occupy multiple bytes. So the number of characters in a string may not be equal to the number of bytes.
In most cases, characters can be entered directly by pressing a key on the keyboard. But special characters or multiple-byte characters require escape sequences to enter them. Windows PowerShell supports the following escape sequences:
`` - The ` character `t - The tab character `n - The new line character `r - The carriage return character `' - The single quote character `" - The double quote character `$ - The dollar sign character
Strings can be entered in PowerShell command lines and scripts as String literals in two formats:
Here is a script with some example of string literals in Windows PowerShell:
# A double-quote string literal Write-Host "Hello world!" # A double-quote string literal with an escape sequence Write-Host "Line 1 `n Line 2" # A single-quote string literal Write-Host 'Line 1 `n Line 2' # A single-quote string literal Write-Host 'Let''s go!'
If you run the script, you will get:
PS C:\fyicenter> Test.ps1 Hello world! Line 1 Line 2 Line 1 `n Line 2 Let's go!
2016-10-20, 468👍, 0💬
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