htmlifelse的精选

#ifelse_脚本用于检查输入的字符串是否是一个当前目录#!/bin/bashif[&#34$1&#34]thenecho&#34Whatyouinputisnotnull&#34if[-e&#34$1&#34]thenecho&#34Thefile$1isexistence!&#34elseecho&#34Thefile$1isnotexistence...