added ~ as home processing

cmd/cat.go

@@ -2,13 +2,17 @@ package cmd
 
 import (
 	"gosh/types"
+	"gosh/util"
 	"os"
 
 	"github.com/fatih/color"
 )
 
-func GoshCat(sh *types.Shell, filename string) types.CmdOutput {
-	data, err := os.ReadFile(filename)
+func GoshCat(sh *types.Shell, file_path string) types.CmdOutput {
+
+	file_path = util.ExpandHome(file_path)
+
+	data, err := os.ReadFile(file_path)
 	red := color.New(color.FgRed).SprintFunc()
 	if err != nil {
 		return types.CmdOutput{Id: 1, Output: red(err)}

cmd/cd.go

@@ -4,11 +4,15 @@ import (
 	"os"
 
 	"gosh/types"
+	"gosh/util"
 
 	"github.com/fatih/color"
 )
 
 func GoshCd(sh *types.Shell, dir string) types.CmdOutput {
+
+	dir = util.ExpandHome(dir)
+
 	err := os.Chdir(dir)
 	red := color.New(color.FgRed).SprintFunc()
 	if err != nil {

cmd/ls.go

@@ -2,14 +2,27 @@ package cmd
 
 import (
 	"gosh/types"
+	"gosh/util"
 	"os"
 	"strings"
 
 	"github.com/fatih/color"
 )
 
-func GoshLs(sh *types.Shell) types.CmdOutput {
-	children, err := os.ReadDir(sh.Cd)
+func GoshLs(sh *types.Shell, paths ...string) types.CmdOutput {
+
+	var dir string
+
+	if len(paths) > 0 && paths[0] != "" {
+		dir = paths[0]
+	} else {
+		dir = sh.Cd
+	}
+
+	dir = util.ExpandHome(dir)
+
+	children, err := os.ReadDir(dir)
+
 	red := color.New(color.FgRed).SprintFunc()
 	if err != nil {
 		return types.CmdOutput{Id: 1, Output: red(err)}

cmd/pyapath.go

@@ -2,12 +2,16 @@ package cmd
 
 import (
 	"gosh/types"
+	"gosh/util"
 	"path/filepath"
 
 	"github.com/fatih/color"
 )
 
 func GolshPyapath(sh *types.Shell, path string) types.CmdOutput {
+
+	path = util.ExpandHome(path)
+
 	abs, err := filepath.Abs(path)
 
 	red := color.New(color.FgRed).SprintFunc()