listing prints plainly if in non-interative terminal

internal/files/files.go

@@ -3,6 +3,7 @@ package files
 
 import (
 	"cmp"
+	"fmt"
 	"io/fs"
 	"path/filepath"
 	"strconv"
@@ -22,6 +23,16 @@ type File interface {
 
 type Files []File
 
+func (fls Files) String() string {
+	var out = strings.Builder{}
+	for _, file := range fls {
+		out.WriteString(fmt.Sprintf("%s\t%s\t%s\n",
+			file.Date().Format(time.RFC3339), file.Name(), file.Path(),
+		))
+	}
+	return out.String()
+}
+
 func SortByModified(a, b File) int {
 	if a.Date().Before(b.Date()) {
 		return 1

main.go

@@ -4,6 +4,7 @@ package main
 import (
 	"fmt"
 	"io/fs"
+	"math"
 	"os"
 	"path/filepath"
 	"slices"
@@ -14,6 +15,7 @@ import (
 	"git.burning.moe/celediel/gt/internal/filter"
 	"git.burning.moe/celediel/gt/internal/interactive"
 	"git.burning.moe/celediel/gt/internal/interactive/modes"
+	"golang.org/x/term"
 
 	"github.com/adrg/xdg"
 	"github.com/charmbracelet/log"
@@ -45,8 +47,13 @@ var (
 	askconfirm, all            bool
 	workdir, ogdir             cli.Path
 	recursive                  bool
+	isTerminal                 bool
 
 	beforeAll = func(_ *cli.Context) error {
+		if term.IsTerminal(int(os.Stdout.Fd())) && term.IsTerminal(int(os.Stdin.Fd())) {
+			isTerminal = true
+		}
+
 		// setup log
 		log.SetReportTimestamp(true)
 		log.SetTimeFormat(time.TimeOnly)
@@ -60,6 +67,10 @@ var (
 			log.Errorf("unknown log level '%s' (possible values: debug, info, warn, error, fatal, default: warn)", loglvl)
 		}
 
+		if !isTerminal {
+			log.SetLevel(math.MaxInt32)
+		}
+
 		// ensure personal trash directories exist
 		homeTrash := filepath.Join(xdg.DataHome, "Trash")
 		if _, e := os.Lstat(filepath.Join(homeTrash, "info")); os.IsNotExist(e) {
@@ -113,6 +124,11 @@ var (
 				fmt.Fprintln(os.Stdout, msg)
 				return nil
 			}
+
+			if !isTerminal {
+				fmt.Fprint(os.Stdout, infiles.String())
+				return nil
+			}
 			selected, mode, err = interactive.Select(infiles, false, false, workdir, modes.Interactive)
 			if err != nil {
 				return err
@@ -246,6 +262,11 @@ var (
 				return nil
 			}
 
+			if !isTerminal {
+				fmt.Fprint(os.Stdout, fls.String())
+				return nil
+			}
+
 			return interactive.Show(fls, noInterArg, workdir)
 		},
 	}