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PowerShell cmdLet Export-CSV

export-CSV writes the property values of objects as CSV. 
get-process powershell | export-csv -noTypeInformation -path $env:temp\ps-procs.csv
get-content $env:temp\ps-procs.csv
Without the -noTypeInformation flag, the exported file's first line will start with a # and indicate the type of the exported objects.

See also

export-CSV belongs to the cmdlets with the -encoding parameter.
Powershell command noun: CSV

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