decol 1.1.5

A tool to drop or keep columns from a CSV file.

decol
=====

[](https://travis-ci.org/ctberthiaume/decol)

A tool to drop or keep columns from a CSV file.

### Features
* columns can be specified as 1-based integer indexes or column headers
* multiple indexes or headers can be specified as a comma-separated list
* negative indexes are supported
* index ranges are also supported, e.g. 1:2 for the first two column


### Usage
```
$ decol -h
Usage: decol [OPTIONS] INPUT OUTPUT

A tool to drop or keep columns from a CSV file.

Options:
-c, --columns COLUMNS Comma-separated list of 1-based column indexes
to remove. Negative integers will index from the
end. May use a range, e.g. 1:2 or -3:-2 for
first and second of three columns. Ranges must
always be given in left to right column order
for both positive and negative indexes. Mutually
exclusive with --headers.
-H, --headers HEADERS Comma-separated list of columns to remove by
first-line header. Mutually exclusive with
--columns.
-s, --sep SEPARATOR Column separator. [default: ,]
-o, --output-sep SEPARATOR Output column separator. [default: --sep value]
--keep Keep only the specified columns in the order
specified in --columns or --headers. [default:
False]
--version Show the version and exit.
-h, --help Show this message and exit.
```