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python Programming Glossary: csv.readerHow to Filter from CSV file using Python Script http://stackoverflow.com/questions/10530301/how-to-filter-from-csv-file-using-python-script fin fout writer csv.writer fout delimiter ' ' for row in csv.reader fin delimiter ' ' if row 2 'Central' writer.writerow row share..
Using Python to analyze CSV data, how do I ignore the first line of data http://stackoverflow.com/questions/11349333/using-python-to-analyze-csv-data-how-do-i-ignore-the-first-line-of-data so far import csv with open 'all16.csv' 'rb' as inf incsv csv.reader inf column 1 datatype float data datatype column for row in.. csv.Sniffer .has_header inf.read 1024 inf.seek 0 incsv csv.reader inf column 1 datatype float if has_header next incsv # skip..
Read Specific Columns from csv file with Python csv http://stackoverflow.com/questions/16503560/read-specific-columns-from-csv-file-with-python-csv array 0 num_columns len array csvfile.seek 0 reader csv.reader csvfile delimiter ' ' included_cols 1 2 6 7 for row in reader..
Python csv library with Unicode/UTF-8 support that “just works” http://stackoverflow.com/questions/1846135/python-csv-library-with-unicode-utf-8-support-that-just-works Unicode only after a csv row has been split into fields by csv.reader . class UnicodeCsvReader object def __init__ self f encoding.. def __init__ self f encoding utf 8 kwargs self.csv_reader csv.reader f kwargs self.encoding encoding def __iter__ self return self..
Python: How to read huge text file into memory http://stackoverflow.com/questions/1896674/python-how-to-read-huge-text-file-into-memory linecount dtype 'a' np.uint32 'b' np.uint32 f.seek 0 f csv.reader open 'links.csv' 'rb' for i row in enumerate f m i int row 0..
http://stackoverflow.com/questions/2100353/sort-csv-by-column out being a simple task import sys import csv reader csv.reader open files.csv delimiter for id path title date author platform..
Python memory usage? loading large dictionaries in memory http://stackoverflow.com/questions/2211965/python-memory-usage-loading-large-dictionaries-in-memory MY_PATH 'datafiles' 'baseterms.txt' f open dumpfile cache csv.reader f for term_id term in cache cached_terms term term_id f.close..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing The index is zero index based. Parameters `csvfile` a `csv.reader` instance for i row in enumerate csvfile row int entry for entry.. input file and output file. infile open args 0 in_csvfile csv.reader infile outfile open args 1 'w' out_csvfile csv.writer outfile.. input file and output file. infile open args 0 in_csvfile csv.reader infile outfile open args 1 'w' out_csvfile csv.writer outfile..
Python CSV error: line contains NULL byte http://stackoverflow.com/questions/4166070/python-csv-error-line-contains-null-byte working with some CSV files with the following code reader csv.reader open filepath rU try for row in reader print 'Row read successfully..
Python: Comparing two CSV files and searching for similar items http://stackoverflow.com/questions/5268929/python-comparing-two-csv-files-and-searching-for-similar-items f2 file 'masterlist.csv' 'r' f3 file 'results.csv' 'w' c1 csv.reader f1 c2 csv.reader f2 c3 csv.writer f3 masterlist row for row.. 'r' f3 file 'results.csv' 'w' c1 csv.reader f1 c2 csv.reader f2 c3 csv.writer f3 masterlist row for row in c2 for hosts_row..
python: creating excel workbook and dumping csv files as worksheets http://stackoverflow.com/questions/5705588/python-creating-excel-workbook-and-dumping-csv-files-as-worksheets f_name ws wb.add_sheet str f_short_name spamReader csv.reader open filename 'rb' delimiter ' ' quotechar ' ' row_count 0 for.. f_name ws wb.add_sheet f_short_name spamReader csv.reader open filename 'rb' for rowx row in enumerate spamReader for..
http://stackoverflow.com/questions/5942402/python-csv-to-sqlite NOT EXISTS mytable field2 VARCHAR field4 VARCHAR ' reader csv.reader open filecsv.txt rb for field1 field2 field3 field4 field5 in..
Reading a UTF8 CSV file with Python http://stackoverflow.com/questions/904041/reading-a-utf8-csv-file-with-python doesn't do Unicode encode temporarily as UTF 8 csv_reader csv.reader utf_8_encoder unicode_csv_data dialect dialect kwargs for row.. utf8_data dialect csv.excel kwargs csv_reader csv.reader utf8_data dialect dialect kwargs for row in csv_reader yield..
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