automtically load template file if it exists

cmd/pipet/main.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -15,6 +16,7 @@ import (
 	"github.com/bjesus/pipet/common"
 	"github.com/bjesus/pipet/internal/app"
 	"github.com/bjesus/pipet/outputs"
+	"github.com/bjesus/pipet/utils"
 )
 
 func main() {
@@ -93,6 +95,13 @@ func runPipet(c *cli.Context, specFile string) error {
 		log.SetOutput(io.Discard)
 	}
 
+	automaticTemplateFile := strings.TrimSuffix(specFile, filepath.Ext(specFile)) + ".tpl"
+
+	if templateFile == "" && utils.FileExists(automaticTemplateFile) {
+		log.Println("Detected template file at", specFile)
+		templateFile = automaticTemplateFile
+	}
+
 	pipet := &common.PipetApp{
 		MaxPages:  maxPages,
 		Separator: separators,

utils/utils.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/bjesus/pipet/common"
 )
@@ -31,3 +32,8 @@ func GetSeparator(app *common.PipetApp, depth int) string {
 	}
 	return ", "
 }
+
+func FileExists(path string) bool {
+	_, err := os.Stat(path)
+	return !os.IsNotExist(err)
+}