proper output of report json blob.

.gitignore

@@ -32,3 +32,4 @@ go.work
 # temporary files
 report.json
 analysis.json
+report-*.json

internal/cli/cli.go

@@ -55,7 +55,14 @@ func init() {
 	flags.BoolVarP(&af.HideProgress, "no-progress", "", false, "Disable progress updates")
 	flags.BoolVarP(&af.ShowNerdStats, "nerd-stats", "", false, "Show nerd stats")
 	flags.BoolVarP(&af.ShowVersion, "version", "v", false, "Show version information")
-	flags.StringVarP(&af.OutputFile, "output-file", "o", "", "Export as JSON")
+	flags.StringVarP(&af.OutputFile, "output-file", "o", generateOutputFile(), "Export as JSON")
+}
+
+func generateOutputFile() string {
+	if f, err := os.CreateTemp(".", "report-*.json"); err == nil {
+		return f.Name()
+	}
+	return ""
 }
 func Main() {
 	log.SetFlags(log.Flags() &^ (log.Ldate | log.Ltime))

internal/report/summary.go

@@ -2,6 +2,7 @@ package report
 
 import (
 	"fmt"
+	"path/filepath"
 	"time"
 
 	"github.com/thushan/smash/pkg/analysis"
@@ -11,6 +12,7 @@ import (
 
 type RunSummary struct {
 	DuplicateFileSizeF string
+	ReportFilename     string
 	TopFiles           []analysis.Item
 	DuplicateFileSize  uint64
 	TotalFiles         int64
@@ -37,6 +39,11 @@ func PrintRunSummary(rs RunSummary, ignoreEmptyFiles bool) {
 	if rs.DuplicateFileSize > 0 {
 		theme.Println(writeCategory("Space Reclaimable:"), theme.ColourFileSizeA(rs.DuplicateFileSizeF), "(approx)")
 	}
+	if rs.ReportFilename != "" {
+		filename := filepath.Clean(rs.ReportFilename)
+		reportUri := theme.Hyperlink("file://"+filename, filename)
+		theme.Println(writeCategory("Analysis Report:"), theme.StyleUrl(reportUri), "(json)")
+	}
 }
 func calcTotalTime(elapsedNs int64) string {
 	duration := time.Duration(elapsedNs)

internal/smash/app.go

@@ -183,17 +183,22 @@ func (app *App) Exec() error {
 	pap.Stop()
 
 	app.PrintRunAnalysis(app.Flags.IgnoreEmpty)
-	report.PrintRunSummary(*app.Summary, app.Flags.IgnoreEmpty)
+
+	exportStats := nerdstats.Snapshot()
+
+	app.ExportReport()
 
 	endStats := nerdstats.Snapshot()
 
+	report.PrintRunSummary(*app.Summary, app.Flags.IgnoreEmpty)
+
 	if app.Flags.ShowNerdStats {
 		theme.StyleHeading.Println("---| Nerd Stats")
 		report.PrintNerdStats(startStats, "> Initial")
 		report.PrintNerdStats(midStats, "> Post-Analysis")
-		report.PrintNerdStats(endStats, "> Post-Cleanup")
+		report.PrintNerdStats(exportStats, "> Post-Summary")
+		report.PrintNerdStats(endStats, "> Post-Report")
 	}
-	app.Export("report.json")
 	return nil
 }
 
@@ -221,3 +226,16 @@ func (app *App) checkTerminal() {
 		pterm.DisableStyling()
 	}
 }
+
+func (app *App) ExportReport() {
+	if app.Flags.OutputFile == "" {
+		theme.Warn.Println("Could not output report.")
+		return
+	}
+
+	if err := app.Export(app.Flags.OutputFile); err != nil {
+		theme.Error.Println("Failed to export report because ", err)
+	} else {
+		app.Summary.ReportFilename = app.Flags.OutputFile
+	}
+}