Add flag parsing for --file and --url

config.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"bufio"
+	"os"
+
+	"github.com/charmbracelet/log"
+	"github.com/spf13/pflag"
+)
+
+func parseURLs() []string {
+	var url = pflag.StringArrayP("url", "u", []string{}, "URL to check")
+	var file = pflag.StringP("file", "f", "", "File that includes URLs to check")
+	pflag.Parse()
+
+	if *url != nil {
+		return *url
+	} else if *file != "" {
+		if _, err := os.Stat(*file); err != nil {
+			log.Fatal(err)
+		}
+		log.Infof("Reading file %s", *file)
+
+		data, err := os.Open(*file)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer data.Close()
+
+		var urls []string
+		scanner := bufio.NewScanner(data)
+		scanner.Split(bufio.ScanLines)
+		for scanner.Scan() {
+			urls = append(urls, scanner.Text())
+		}
+
+		return urls
+	}
+
+	return []string{}
+}

go.mod

@@ -1,11 +1,15 @@
 module github.com/pushfs/sif
 
-go 1.21.0
+go 1.20
+
+require (
+	github.com/charmbracelet/lipgloss v0.8.0
+	github.com/charmbracelet/log v0.2.4
+	github.com/spf13/pflag v1.0.5
+)
 
 require (
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
-	github.com/charmbracelet/lipgloss v0.8.0 // indirect
-	github.com/charmbracelet/log v0.2.4 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.18 // indirect

go.sum

@@ -20,6 +20,8 @@ github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1n
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

main.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/charmbracelet/lipgloss"
-
 	"github.com/charmbracelet/log"
 )
 
@@ -27,4 +26,9 @@ func main() {
 	fmt.Println(subline.Render("https://sif.sh - man's best friend"))
 
 	log.Info("Hello World!")
+
+	urls := parseURLs()
+	for _, url := range urls {
+		log.Infof("Looking up %s...", url)
+	}
 }