PowerShell Operators Redirection Operators
Example
Success output stream:
cmdlet > file # Send success output to file, overwriting existing content
cmdlet >> file # Send success output to file, appending to existing content
cmdlet 1>&2 # Send success and error output to error stream
Error output stream:
cmdlet 2> file # Send error output to file, overwriting existing content
cmdlet 2>> file # Send error output to file, appending to existing content
cmdlet 2>&1 # Send success and error output to success output stream
Warning output stream: (PowerShell 3.0+)
cmdlet 3> file # Send warning output to file, overwriting existing content
cmdlet 3>> file # Send warning output to file, appending to existing content
cmdlet 3>&1 # Send success and warning output to success output stream
Verbose output stream: (PowerShell 3.0+)
cmdlet 4> file # Send verbose output to file, overwriting existing content
cmdlet 4>> file # Send verbose output to file, appending to existing content
cmdlet 4>&1 # Send success and verbose output to success output stream
Debug output stream: (PowerShell 3.0+)
cmdlet 5> file # Send debug output to file, overwriting existing content
cmdlet 5>> file # Send debug output to file, appending to existing content
cmdlet 5>&1 # Send success and debug output to success output stream
Information output stream: (PowerShell 5.0+)
cmdlet 6> file # Send information output to file, overwriting existing content
cmdlet 6>> file # Send information output to file, appending to existing content
cmdlet 6>&1 # Send success and information output to success output stream
All output streams:
cmdlet *> file # Send all output streams to file, overwriting existing content
cmdlet *>> file # Send all output streams to file, appending to existing content
cmdlet *>&1 # Send all output streams to success output stream
Differences to the pipe operator (|)
Redirection operators only redirect streams to files or streams to streams. The pipe operator pumps an object down the pipeline to a cmdlet or the output. How the pipeline works differs in general from how redirection works and can be read on Working with the PowerShell pipeline
