PowerShell

CSV Append a Column with Values

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Append an additional column and initialize with a value. PowerShell

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

# First initialize the CSV with content.  

# permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
# lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
# mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
# flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
# infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
# gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

$bCrlf = $true
$sb = New-Object Chilkat.StringBuilder
$sb.AppendLine("permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round",$bCrlf)
$sb.AppendLine("lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b",$bCrlf)
$sb.AppendLine("mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed",$bCrlf)
$sb.AppendLine("flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a",$bCrlf)
$sb.AppendLine("infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a",$bCrlf)
$sb.AppendLine("gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed",$bCrlf)

$csv = New-Object Chilkat.Csv

$csv.HasColumnNames = $true
$success = $csv.LoadFromString($sb.GetAsString())

# Show the initial CSV:
$($csv.SaveToString())
$("----")

# Now let's add a new rightmost column.
$numColumns = $csv.NumColumns
$numRows = $csv.NumRows

# Set the column name.
$columnIdx = $numColumns
$csv.SetColumnName($columnIdx,"new_column")

# Add the column to each row.
$i = 0
while ($i -lt $numRows) {
    $csv.SetCell($i,$columnIdx,"newData")
    $i = $i + 1
}

# Show the updated CSV:
$($csv.SaveToString())