flen

README

flen

A simple command flag and environment variable parsing library

Example

$ cat > test.go <<EOF
package main

import (
        "flag"
        "fmt"

        "github.com/osm/flen"
)

func main() {
        name := flag.String("name", "foo", "A name")
        flen.SetEnvPrefix("TEST")
        flen.Parse()

        fmt.Println("hello", *name)
}
EOF

$ go run test.go
hello foo

$ TEST_NAME=bar go run test.go
hello bar

$ go run test.go -name baz
hello baz

Documentation

Index

• func Parse() error
• func SetEnvPrefix(p string)

Functions

func Parse

func Parse() error

Parse parses the flags, command line arguments will be preferred over environment variables.

func SetEnvPrefix

func SetEnvPrefix(p string)

SetEnvPrefix sets the envPrefix variable.