chore: rewrite loadprg & fix some issues

src/shell/wush/Wush.ts

@@ -29,6 +29,8 @@ import { Environment } from './Environment'
 import { InputManager } from './InputManager'
 import { Edit } from '../../program/Edit'
 import { Mv } from '../../program/Mv'
+import { Tree } from '../../program/Tree'
+import { Cp } from '../../program/Cp'
 
 export class Wush extends Shell {
     public readonly Version = "0.3.2"
@@ -96,6 +98,8 @@ export class Wush extends Shell {
         this.programs['printf'] = new Printf()
         this.programs['edit'] = new Edit()
         this.programs['mv'] = new Mv()
+        this.programs['cp'] = new Cp()
+        this.programs['tree'] = new Tree()
 
         // reset exit code
         this.SetExitCode(0)
@@ -685,7 +689,7 @@ export class Wush extends Shell {
             if (item.IsDirectory())
                 throw new Error(`input file ${resolved} is a directory`)
 
-            return { stream: new SimpleStream<string>(), data: item.ReadData() ?? '' }
+            return { stream: new SimpleStream<string>(), data: item.GetData() ?? '' }
         }
 
         const openOutputRedirect = async (path: string, append: boolean) => {
@@ -894,11 +898,14 @@ export class Wush extends Shell {
                 this.terminal.NewPage()
                 return true
             }
+            case 'm': {
+                this.terminal.ApplyCellStyleCodes(values)
+                return true
+            }
             default:
                 return false
         }
     }
-
     private GetWrapWidth(): number {
         const width = Math.floor(this.terminal.GetWidthCells())
         if (!Number.isFinite(width) || width <= 0)