(get-content -path file) | set-content -path file -value { $_ -replace 1,2 }

set-content : The input object cannot be bound to any parameters for the command either because the command does not take pipeline input or the
input and its properties do not match any of the parameters that take pipeline input.
At line:1 char:28
+ ... ntent -path file) | set-content -path file -value { $_ -replace 1,2 }
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (111:PSObject) [Set-Content], ParameterBindingException
    + FullyQualifiedErrorId : InputObjectNotBound,Microsoft.PowerShell.Commands.SetContentCommand

set-content : The input object cannot be bound to any parameters for the command either because the command does not take pipeline input or the
input and its properties do not match any of the parameters that take pipeline input.
At line:1 char:28
+ ... ntent -path file) | set-content -path file -value { $_ -replace 1,2 }
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (111:PSObject) [Set-Content], ParameterBindingException
    + FullyQualifiedErrorId : InputObjectNotBound,Microsoft.PowerShell.Commands.SetContentCommand

set-content : The input object cannot be bound to any parameters for the command either because the command does not take pipeline input or the
input and its properties do not match any of the parameters that take pipeline input.
At line:1 char:28
+ ... ntent -path file) | set-content -path file -value { $_ -replace 1,2 }
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (111:PSObject) [Set-Content], ParameterBindingException
    + FullyQualifiedErrorId : InputObjectNotBound,Microsoft.PowerShell.Commands.SetContentCommand