Added "get" subcommand to return all ventures on the system.

main.go

@@ -4,12 +4,14 @@ import (
 	"fmt"
 	"flag"
 	"path"
+	"path/filepath"
 	"os"
 	"os/user"
 	"io"
 	"io/ioutil"
 	"bufio"
 	"strings"
+	"time"
 )
 
 func main() {
@@ -20,12 +22,69 @@ func main() {
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "Could not set: %v", err)
 		}
+	case "get":
+		err := GetVenture(flag.Args()[1:])
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Could not get: %v", err)
+		}
 	default:
-		fmt.Printf("Usage:\n\t%v set\n", os.Args[0])
+		fmt.Printf("Usage:\n\t%v <set|get>\n", os.Args[0])
 		flag.PrintDefaults()
 	}
 }
 
+// GetVenture collects all recent ventures from all users on the system.
+// Any errors that occur while pulling individual ventures are silently ignored
+func GetVenture(args []string) error {
+	// Set the expiration date for ventures at 2 weeks.
+	freshLimit := time.Now().AddDate(0, 0, -14)
+
+	allVenturePaths, err := filepath.Glob("/home/*/.venture")
+	if err != nil {
+		// *Should* never happen, since path is hardcoded and that's the only reason Glob can error out.
+		return err
+	}
+
+	// Filter out any ventures that are older than our cutoff time.
+	freshVenturePaths := make([]string, 0, len(allVenturePaths))
+	for _, venturePath := range allVenturePaths {
+		ventureInfo, err := os.Stat(venturePath)
+		if err != nil {
+			continue
+		}
+		if ventureInfo.ModTime().After(freshLimit) {
+			freshVenturePaths = append(freshVenturePaths, venturePath)
+		}
+	}
+
+	// Print the contents of all ventures
+	for _, venturePath := range freshVenturePaths {
+		ventureBytes, err := ioutil.ReadFile(venturePath)
+		if err != nil {
+			continue
+		}
+		venture := string(ventureBytes)
+
+		// Check to see if file starts with user's name.
+		if !strings.HasPrefix(venture, "~") {
+			// Strip /home from path
+			homelessPath, err := filepath.Rel("/home", venturePath)
+			if err != nil {
+				continue
+			}
+			// Strip .venture from path, leaving us with the user's name.
+			username := filepath.Dir(homelessPath)
+			venture = fmt.Sprintf("~%s: %s", username, venture)
+		}
+
+		// Trim trailing newline (if any)
+		venture = strings.TrimSpace(venture)
+		
+		fmt.Println(venture)
+	}
+	return nil	
+}
+
 // SetVenture sets the curent user's venture, either by reading the value from the command line or by prompting the user to input it interactively.
 func SetVenture(args []string) error {
 	curUser, err := user.Current()