fiabilisation de cat

rootfs overrides/usr/bin/cat.js

@@ -8,7 +8,7 @@ if(process.argv.length >= 3){
     catch(e){
       switch(e.code){
         case "ENOENT":
-          console.error(`file "${file}" does not exist.`);
+          console.error(`file "${process.argv[3]}" does not exist.`);
           break;
         default:
             console.error(`error: code ${e.code}`)