# ==============================================================================================
# 
# Microsoft PowerShell Source File -- Created with SAPIEN Technologies PrimalScript 2007
# 
# NAME: out-csv.ps1
# 
# AUTHOR: Jeffery Hicks , SAPIEN Technologies, Inc.
# DATE  : 4/1/2009
# 
# COMMENT: Create a comma separated string from input
# 
# Sample usage
# $a="a",1,"b","jeff",4
# $a | out-csv
# get-service | where {$_.status -eq "running"} | foreach {$_.name} | out-csv
#
# DISCLAIMER AND WARNING:
# 	THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
# 	KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# 	IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
#   TEST THOROUGHLY IN A NON-PRODUCTION ENVIRONMENT. IF YOU DON'T KNOW WHAT THIS
#   SCRIPT WILL DO...DO NOT RUN IT!
# ==============================================================================================


Function out-csv {
BEGIN { 
   #probably not necessary
	[string]$csv=""
}
PROCESS {
   #force each item to be a string and trim any spaces
   $item=($_ | out-string).Trim()
   if ($csv) {
     $csv+="," + $item
   }
   else {
     #first item in the string
     $csv=$item
   }
 }
END {
  #send the comma separated string into the pipeline
	write $csv 
 }
}