cave print-id-environment-variable
Name
cave-print-id-environment-variable — Prints ID environment variables.
Synopsis
cave print-id-environment-variable --variable-name var [ --format format ] spec
DESCRIPTION
Prints ID environment variables. No formatting is used, making the output suitable for parsing by scripts.
OPTIONS
Global Options
Global options, used by every subcommand.
- -h , --help
- display help message
Spec Options
Alter how the supplied spec is used.
- -a , --all (+a , --no-all)
- If the spec matches multiple IDs, display all matches.
- -b , --best (+b , --no-best)
- If the spec matches multiple IDs, select the best ID rather than giving an error.
Filters
Filter the output. Each filter may be specified more than once.
- --variable-name
- Show this environment variable. If specified more than once, any name match is accepted. Must be specified at least once.
Display Options
Controls the output format.
- --format
- Select the output format. Special tokens recognised are %n for variable name, %v for value, \n for newline, \t for tab. Default is '%n=%v\n'.