Invocation

CAUTION

Always be careful to run an external script or input script content.

Call Operator

Call operator & can be used for invoking one of the following:

• Command without any option.
• A .ps1 script file
• External executable
• Script block

NOTE

& is awared of the context of current session, it does not start a new process when executing.

& 'gps'
& 'gps pwsh' # extra option not allowed
& 'gps' pwsh # pass option after command name instead
& 'gps' -Name pwsh # pass option after command name instead

& 'path/to/script.ps1' # may add some option...

& { param($a, $b) $a, $b } 1, 2

Invoke-Expression

Invoke-Expression used for executing any script content represented as a string.

Invoke-Expression 'gps pwsh'
'gps pwsh' | iex