split_file_by_key
Given a file, delimiter, and key(s), split the file into numerous out files based on the key(s).
Usage
./split_file_by_key.py --help
usage: split_file_by_key.py [-h] [--fields FIELDS] [--delimiter DELIMITER]
[--line-terminator LINE_TERMINATOR]
in_file
Given a file, delimiter, and key(s), split the file into numerous out
files based on the key(s).
positional arguments:
in_file Path to input file
optional arguments:
-h, --help show this help message and exit
--fields FIELDS Field number, comma separated starting at 1 (e.g. "6",
"6,7", etc)
--delimiter DELIMITER
Delimiter (e.g. "\t", ",", etc)
--line-terminator LINE_TERMINATOR
line terminator (e.g. "\n", "\r\n", etc)
Example Command
./split_file_by_key.py sample.tsv --fields 1
Example Input (in File)
1 foo bar
1 baz qux
2 cookies are
2 too delicious
2 must stop
2 but can't
3 too delicious
3 needing milk
Example Output
# filename: sample.tsv.1.split
1 foo bar
1 baz qux
# filename: sample.tsv.2.split
2 cookies are
2 too delicious
2 must stop
2 but can't
# filename: sample.tsv.3.split
3 too delicious
3 needing milk