Mastering Windows PowerShell Scripting - Third Edition

switch

A switch statement uses the following generalized notation:

switch [-regex|-wildcard][-casesensitive] (<value>) { 
    <condition> { <statements> } 
    <condition> { <statements> } 
} 

The casesensitive parameter applies when testing conditions against a string value.

The switch command can also be used to work on the content of a file using the following notation:

switch [-regex|-wildcard][-casesensitive] -File <Name> { 
    <condition> { <statements> } 
    <condition> { <statements> } 
} 

The File parameter can be used to select from a text file (line by line). The switch statement differs from conditions written using if-elseif in one important respect. The switch statement will not stop testing conditions unless the break keyword is used, for example: ...