Python script to detect CSV column inconsistency

This is a short script which was used to check the consistency of the number of columns in a csv file.

The script reads the csv file, and checks the number of columns for each row. If there is an inconsistent number, ie the current row has a different number of columns than the previous row, then the program will display ‘not equal’.

Below is a code snippet from the script.


infile = open(inputFile, "r")
read = csv.reader(infile)

#get the number of columns in the first row 
previousColumNum = len(next(read)) 
print("num columns = "+str(previousColumNum))
# check for each row
for row in read:
	currentRowNum = len(row)
	if currentRowNum != previousColumNum:
		print("Not equal")

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