tash/cat : redirection doesn't work properly
tash/cat : redirection doesn't work properly

truncate & append doesn't work properly so fix it

Samsung/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,jsdosa/TizenRT,an4967/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,pillip8282/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,Samsung/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,an4967/TizenRT,an4967/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT