-x, -f, env vars, prepping for hashing

cmd/pwgen/main.go

@@ -1,12 +1,15 @@
 package main
 
 import (
+	"encoding/json"
+	"encoding/xml"
 	"fmt"
 	"log"
 	"os"
 	"strings"
 
 	"github.com/jessevdk/go-flags"
+	"gopkg.in/yaml.v3"
 	"r00t2.io/pwgen/pwgenerator"
 )
 
@@ -17,6 +20,8 @@ func main() {
 	var err error
 	var genOpts *pwgenerator.GenOpts
 	var passwds []string
+	var pwc *pwgenerator.PwCollection
+	var b []byte
 
 	if _, err = flags.Parse(&a); err != nil {
 		switch flagsErr := err.(type) {
@@ -30,6 +35,10 @@ func main() {
 		}
 	}
 
+	if a.ExplicitLen != 0 {
+		a.MinLen = a.ExplicitLen
+		a.MaxLen = a.ExplicitLen
+	}
 	genOpts = &pwgenerator.GenOpts{
 		Alpha:           !a.NoAlpha,
 		Numeric:         !a.NoNum,
@@ -56,12 +65,31 @@ func main() {
 		}
 	}
 
-	if passwds, err = genOpts.Generate(); err != nil {
-		log.Panicln(err)
+	if strings.TrimSpace(a.Format) != "" {
+		if pwc, err = genOpts.GenerateCollection(nil); err != nil {
+			log.Panicln(err)
+		}
+		switch a.Format {
+		case "json":
+			if b, err = json.MarshalIndent(pwc, "", "    "); err != nil {
+				log.Panicln(err)
+			}
+			fmt.Println(string(b))
+		case "yaml":
+			if b, err = yaml.Marshal(pwc); err != nil {
+				log.Panicln(err)
+			}
+			fmt.Println(string(b))
+		case "xml":
+			if b, err = xml.MarshalIndent(pwc, "", "  "); err != nil {
+				log.Panicln(err)
+			}
+			fmt.Println(string(b))
+		}
+	} else {
+		if passwds, err = genOpts.Generate(); err != nil {
+			log.Panicln(err)
+		}
+		fmt.Println(strings.Join(passwds, "\n"))
 	}
-
-	fmt.Println(strings.Join(passwds, "\n"))
-
-	// fmt.Printf("%#v\n", a)
-	// fmt.Printf("%#v\n", genOpts)
 }