PowerShell

CSV Special Chars - Comma, Double-Quotes

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The Chilkat CSV class/component automatically handles special characters which include double-quotes, and the delimiter character (comma or semicolon).

The Chilkat CSV library/component/class is freeware. The downloads for .NET, C++, Perl, Java, Ruby, and Python contain all of the Chilkat classes, some of which are freeware and some of which require licensing.

PowerShell

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

$success = $false

# This example program loads a file (sample.csv)
# that contains this content:
# 
# year,color,country,food
# 2001,red,France,cheese
# 2005,blue,"United States",hamburger
# 2008,green,Italy,pasta
# 1998,orange,Japan,sushi
# 
# The first row contains the column names.
# This file is available at:
# http://www.chilkatsoft.com/testData/sample.csv

$csv = New-Object Chilkat.Csv

# Prior to loading the CSV file, indicate that the 1st row
# should be treated as column names:
$csv.HasColumnNames = $true

# Load the CSV records from the file:

$success = $csv.LoadFile("sample.csv")
if ($success -ne $true) {
    $($csv.LastErrorText)
    exit
}

# A field may contain the delimiter character (in this case
# the delimiter is a comma):
# Change "cheese" to "cheese,baguette"
# ("cheese" is at row=0, column=3
$success = $csv.SetCell(0,3,"cheese,baguette")

# A field may also contain double-quotes:
# Change blue to shiny "metallic" blue
$success = $csv.SetCell(1,1,"shiny `"metallic`" blue")

# Write the updated CSV to a string and display:

$csvDoc = $csv.SaveToString()
$($csvDoc)

# Save the CSV to a file:
$success = $csv.SaveFile("out.csv")
if ($success -ne $true) {
    $($csv.LastErrorText)
}

# The out.csv contains this:
# year,color,country,food
# 2001,red,France,"cheese,baguette"
# 2005,"shiny ""metallic"" blue","United States",hamburger
# 2008,green,Italy,pasta
# 1998,orange,Japan,sush