flagset

package

v0.10.0 Latest Latest Go to latest Published: Oct 24, 2022 License: BSD-3-Clause Imports: 5 Imported by: 167

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package flagset provides methods for working with `flag.FlagSet` instances.

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func FlagNameToEnvVar(prefix string, name string) string

FlagNameToEnvVar formats 'name' and 'prefix' in to an environment variable name, used to lookup a value.

func NewFlagSet(name string) *flag.FlagSet

Create a new flag.FlagSet instance.

func Parse(fs *flag.FlagSet)

Parse command line arguments with a flag.FlagSet instance.

func SetFlagsFromEnvVars(fs *flag.FlagSet, prefix string) error

Assign values to a flag.FlagSet instance from matching environment variables.

func SetFlagsFromEnvVarsWithFeedback(fs *flag.FlagSet, prefix string, feedback bool) error

Assign values to a flag.FlagSet instance from matching environment variables, optionally logging progress and other feedback.

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