Command::term_width

term_width

since 0.1.0

Sets the terminal width at which to wrap help messages.

Example

Spec

TOML

name = "myprog"
term-width = 80
[args]
cfg = { long = "config", help = "This is a very long help message that is longer than 80 characters and so will wrap" }

YAML

name: myprog
term-width: 80
args:
  cfg:
    long: config
    help: This is a very long help message that is longer than 80 characters and so will wrap

JSON

{
  "name": "myprog",
  "term-width": 80,
  "args": {
    "cfg": {
      "long": "config",
      "help": "This is a very long help message that is longer than 80 characters and so will wrap"
    }
  }
}

Input

myprog --help

Output

Usage: myprog [OPTIONS]

Options:
      --config <cfg>  This is a very long help message that is longer than 80
                      characters and so will wrap
  -h, --help          Print help