Handled bug where field is blank with ""

Author: benalt613

csv.awk

@@ -2,7 +2,7 @@
 
 # Script: csv.awk
 # Author: Ben Altman ([email protected])
-# Description: Convert csv files from Excel in to a format using a different separators.
+# Description: Convert csv files from Excel in to a format using a different separator.
 
 # Usage: csv.awk [options] csv_file 
 # fs=csv_file_field_separator (default is comma)
@@ -40,6 +40,9 @@ BEGIN {
 		# 1. A field with no DQs is a simple field and we can move straight to the next field.
 		# 2. A field starting with a DQ can contain DQs, FS or multiple lines which we need to join.
 
+        # Exceptional even double quoted field where then entire field is "" is equal to blank without the double quotes
+		if ($i == "\"\"") $i=""
+
 		# If the field is not a simple field with no DQs at all
 		if (substr($i,1,1) == "\"") {
 			# while the field ENDS in even or no DQs it is joined to the next field, until odd quotes are joined ending the field...

csv.bash

@@ -2,7 +2,7 @@
 
 # Script: csv.bash
 # Author: Ben Altman (csv.feedback.benalt at xoxy.net)
-# Description: Convert csv files from Excel in to a format using a different separators.
+# Description: Convert csv files from Excel in to a format using a different separator.
 #
 # Usage: csv.bash [options] csv_file
 #        -i csv_file_field_separator (default is comma)
@@ -56,6 +56,9 @@ BEGIN {
 	i=1; j=2
 	n = nf = split($0, field)
 
+    # Exceptional even double quoted field where then entire field is "" is equal to blank without the double quotes
+	if ($i == "\"\"") $i=""
+
 	while (j <= n+1) {
 		# 1. A field with no DQs is a simple field and we can move straight to the next field.
 		# 2. A field starting with a DQ can contain DQs, FS or multiple lines which we need to join.

csv.ksh

@@ -2,7 +2,7 @@
 
 # Script: csv.ksh
 # Author: Ben Altman (csv.feedback.benalt at xoxy.net)
-# Description: Convert csv files from Excel in to a format using a different separators.
+# Description: Convert csv files from Excel in to a format using a different separator.
 #
 # Usage: csv.bash [options] csv_file
 #        -i csv_file_field_separator (default is comma)
@@ -44,7 +44,7 @@ BEGIN {
 	if (! nl) nl = "\\n"
 	if (! fs) FS = ","; else FS = fs
 	if (! ofs) OFS = "|"; else OFS=ofs
-	above line backs up FS for when rejoining fields containing FS in the case when it`s a pipe. Don`t join with [|] per the below
+	# above line backs up FS for when rejoining fields containing FS in the case when it`s a pipe. Don`t join with [|] per the below
 	gsub("[|]","[|]",FS)  # Input separator containing a pipe replace "|" with "[|]"
 }
 
@@ -60,6 +60,9 @@ BEGIN {
 		# 1. A field with no DQs is a simple field and we can move straight to the next field.
 		# 2. A field starting with a DQ can contain DQs, FS or multiple lines which we need to join.
 
+		# Exceptional even double quoted field where then entire field is "" is equal to blank without the double quotes
+		if ($i == "\"\"") $i=""
+
 		# If the field is not a simple field with no DQs at all
 		if (substr($i,1,1) == "\"") {
 			# while the field ENDS in even or no DQs it is joined to the next field, until odd quotes are joined ending the field...