htmlifelse的精選

#ifelse_腳本用於檢查輸入的字符串是否是一個當前目錄#!/bin/bashif[&#34$1&#34]thenecho&#34Whatyouinputisnotnull&#34if[-e&#34$1&#34]thenecho&#34Thefile$1isexistence!&#34elseecho&#34Thefile$1isnotexistence...