1CSVCUT(1) csvkit CSVCUT(1)
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6 csvcut - csvcut Documentation
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9 Filters and truncates CSV files. Like the Unix “cut” command, but for
10 tabular data:
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12 usage: csvcut [-h] [-d DELIMITER] [-t] [-q QUOTECHAR] [-u {0,1,2,3}] [-b]
13 [-p ESCAPECHAR] [-z FIELD_SIZE_LIMIT] [-e ENCODING] [-S] [-H]
14 [-K SKIP_LINES] [-v] [-l] [--zero] [-V] [-n] [-c COLUMNS]
15 [-C NOT_COLUMNS] [-x]
16 [FILE]
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18 Filter and truncate CSV files. Like the Unix "cut" command, but for tabular
19 data.
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21 positional arguments:
22 FILE The CSV file to operate on. If omitted, will accept
23 input on STDIN.
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25 optional arguments:
26 -h, --help show this help message and exit
27 -n, --names Display column names and indices from the input CSV
28 and exit.
29 -c COLUMNS, --columns COLUMNS
30 A comma separated list of column indices, names or
31 ranges to be extracted, e.g. "1,id,3-5". Defaults to
32 all columns.
33 -C NOT_COLUMNS, --not-columns NOT_COLUMNS
34 A comma separated list of column indices, names or
35 ranges to be excluded, e.g. "1,id,3-5". Defaults to no
36 columns.
37 -x, --delete-empty-rows
38 After cutting, delete rows which are completely empty.
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40 See also: ../common_arguments.
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42 NOTE:
43 csvcut does not implement row filtering, for this you should pipe
44 data to csvgrep.
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46 NOTE:
47 If a data row is longer than the header row, its additional columns
48 are truncated. Use csvclean first to fix such rows.
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51 Print the indices and names of all columns:
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53 csvcut -n examples/realdata/FY09_EDU_Recipients_by_State.csv
54 1: State Name
55 2: State Abbreviate
56 3: Code
57 4: Montgomery GI Bill-Active Duty
58 5: Montgomery GI Bill- Selective Reserve
59 6: Dependents' Educational Assistance
60 7: Reserve Educational Assistance Program
61 8: Post-Vietnam Era Veteran's Educational Assistance Program
62 9: TOTAL
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65 Print only the names of all columns, by removing the indices with the
66 cut command:
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68 csvcut -n examples/realdata/FY09_EDU_Recipients_by_State.csv | cut -c6-
69 State Name
70 State Abbreviate
71 Code
72 Montgomery GI Bill-Active Duty
73 Montgomery GI Bill- Selective Reserve
74 Dependents' Educational Assistance
75 Reserve Educational Assistance Program
76 Post-Vietnam Era Veteran's Educational Assistance Program
77 TOTAL
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79 Extract the first and third columns:
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81 csvcut -c 1,3 examples/realdata/FY09_EDU_Recipients_by_State.csv
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83 Extract columns named “TOTAL” and “State Name” (in that order):
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85 csvcut -c TOTAL,"State Name" examples/realdata/FY09_EDU_Recipients_by_State.csv
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87 Add line numbers to a file, making no other changes:
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89 csvcut -l examples/realdata/FY09_EDU_Recipients_by_State.csv
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91 Extract a column that may not exist in all files:
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93 echo d, | csvjoin examples/dummy.csv - | csvcut -c d
94 echo d, | csvjoin examples/join_no_header_row.csv - | csvcut -c d
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96 Display a column’s unique values:
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98 csvcut -c 1 examples/realdata/FY09_EDU_Recipients_by_State.csv | sed 1d | sort | uniq
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100 Or:
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102 csvcut -c 1 examples/realdata/FY09_EDU_Recipients_by_State.csv | csvsql --query 'SELECT DISTINCT("State Name") FROM stdin'
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105 Christopher Groskopf
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108 2020, Christopher Groskopf
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1131.0.4 Jul 29, 2020 CSVCUT(1)