常用shell命令

#!/bin/sh

alias zeval='cmd(){ echo -e "\033[32m$@\033[0m" && eval $@; };cmd ' #高亮显示并执行

alias upper='cmd(){ zeval "echo $@ | tr [a-z] [A-Z]"; }; cmd' #小写转大写
alias lower='cmd(){ zeval "echo $@ | tr [A-Z] [a-z]"; }; cmd' #大写转小写