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python Programming Glossary: csvfileCompare files line by line to see if they are the same, if so output them http://stackoverflow.com/questions/11253667/compare-files-line-by-line-to-see-if-they-are-the-same-if-so-output-them the collisions from a merge sort import csv def getnext csvfile key lambda row int row 0 16 row csvfile.next return key row.. csv def getnext csvfile key lambda row int row 0 16 row csvfile.next return key row row with open 'file1.dat' 'rb' as inf1 open..
Python's CSV writer produces wrong line terminator http://stackoverflow.com/questions/1170214/pythons-csv-writer-produces-wrong-line-terminator library csv.html#csv.writer Third sentence If csvfile is a file object it must be opened with the ˜b flag on platforms..
Read Specific Columns from csv file with Python csv http://stackoverflow.com/questions/16503560/read-specific-columns-from-csv-file-with-python-csv args.file # open csv file with open csv_file 'rb' as csvfile # get number of columns for line in csvfile.readlines array.. 'rb' as csvfile # get number of columns for line in csvfile.readlines array line.split ' ' first_item array 0 num_columns.. line.split ' ' first_item array 0 num_columns len array csvfile.seek 0 reader csv.reader csvfile delimiter ' ' included_cols..
What do square brackets, “[]”, mean in function/class documentation? http://stackoverflow.com/questions/1718903/what-do-square-brackets-mean-in-function-class-documentation signify. From the docmentation class csv.DictReader csvfile fieldnames None restkey None restval None dialect 'excel' args.. out. So in this case you are only required to pass the csvfile argument to csv.DictReader . If you would pass a second parameter..
Configparser set with no section http://stackoverflow.com/questions/17747627/configparser-set-with-no-section PY3 else dict mode 'rb' with open filename open_kwargs as csvfile reader csv.reader csvfile delimiter delimiter escapechar ' '.. open filename open_kwargs as csvfile reader csv.reader csvfile delimiter delimiter escapechar ' ' quoting csv.QUOTE_NONE return.. PY3 else dict mode 'wb' with open filename open_kwargs as csvfile writer csv.writer csvfile delimiter delimiter escapechar ' '..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing usage return cli_parser def parse_input_csv csvfile Parses the input CSV and yields tuples with the index of the.. second element. The index is zero index based. Parameters `csvfile` a `csv.reader` instance for i row in enumerate csvfile row.. `csvfile` a `csv.reader` instance for i row in enumerate csvfile row int entry for entry in row yield i row def sum_rows rows..
http://stackoverflow.com/questions/2930673/python-and-csv-help to do with the problem. The docs for csv.reader say If csvfile is a file object it must be opened with the ˜b flag on platforms..
writing header in csv python with DictWriter http://stackoverflow.com/questions/2982023/writing-header-in-csv-python-with-dictwriter passed to the writerow method are written to the csvfile. Put another way The Fieldnames argument is required because..
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