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gomodules.xyz/envsubst

Package envsubst

v0.1.0
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Published: Aug 5, 2019 | License: MIT | Module: gomodules.xyz/envsubst

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Package Files

func Eval

func Eval(s string, mapping func(string) string) (string, error)

Eval replaces ${var} in the string based on the mapping function.

func EvalEnv

func EvalEnv(s string) (string, error)

EvalEnv replaces ${var} in the string according to the values of the current environment variables. References to undefined variables are replaced by the empty string.

func EvalMap

func EvalMap(s string, values map[string]string) (string, error)

func IsValueNotFoundError

func IsValueNotFoundError(v interface{}) bool

type Template

type Template struct {
	// contains filtered or unexported fields
}

Template is the representation of a parsed shell format string.

func Parse

func Parse(s string) (t *Template, err error)

Parse creates a new shell format template and parses the template definition from string s.

func ParseFile

func ParseFile(path string) (*Template, error)

ParseFile creates a new shell format template and parses the template definition from the named file.

func (*Template) Execute

func (t *Template) Execute(mapping func(node string, key string, args []string) (string, []string, error)) (str string, err error)

Execute applies a parsed template to the specified data mapping.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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