Remove and/or rearrange sections from each line of a file(s).
Project description
# cuts ## About
Utility for cutting out portions of each line of a file, and rearranging the remaining contents as desired.
Based on the Unix utility ‘cut.’ The goal is to enhance the capabilities of cut to allow rearranging, negative indexing, flexible delimiting output, and proper handling of multiple instances of input delimiters.
- ## Installation
pip install cuts
## Usage
- usage: cuts [-h] [-b BYTES] [-c CHARS] [-f FIELDS] [-d DELIMITER] [-e] [-s]
[-S SEPARATOR] [file [file …]]
Remove and/or rearrange sections from each line of a file(s).
positional arguments:
file File(s) to cut
optional arguments:
- -h, --help
show this help message and exit
- -b BYTES, --bytes BYTES
Bytes to select
- -c CHARS, --chars CHARS
Character to select
- -f FIELDS, --fields FIELDS
Fields to select
- -d DELIMITER, --delimiter DELIMITER
Sets field delimiter(default is TAB)
- -e, --regex
Enable regular expressions to be used as input delimiter
- -s, --skip
Skip lines that do not contain input delimiter.
- -S SEPARATOR, --separator SEPARATOR
Sets field separator for output.
## List Specification
Each of the arguments -b,-c, and -f expect a list of positions as an argument. This list should be comma delimited, and allows for negative indexing.
Additionally, the list may include ascii characters. If included, these characters will override the output delimiter with that character.
Ranges are permitted in the list, using a colon as below
N:M All fields from N to M
N: All fields from N to end of line
:M All fields from beginning of line to M
Position counting starts from one.
## Files
Each line of an arbitrary number of files may be optionally cut by naming them each after all other parameters are set. The file names should be separated by a space.
If no files are specified, or a ‘-’ is used, STDIN is used.
## Bytes (-b,–bytes)=LIST
Cuts input by byte, as specified by LIST.
## Characters
Cuts input by character, as specified by LIST.
## Fields (-f,–fields)=LIST
Cuts input into fields separated by the input delimiter.
- Example:
- Input:
echo “this is just a test” | cuts -f 1,X,3:5 -d “ “ -S “.”
- Output:
thisXjust.a.test
## Delimiter (-d,–delimiter)=DELIM
Specifies input delimiter for fields option. Default is tab character (’t’).
If the option -e is set, the delimiter will accept regular expressions, allowing for multiple delimiters.
## Separator (-S,–separator)=SEPARATOR
Specifies output delimiter. Will be overridden by ascii character in position list.
## See also cut(1)
## Development notes Project is still under development. Any questions or comments, please email jon@jpweiser.com
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