linux修改rm

安全刪除,轉的，但是找不到連接了

操作：1.建立腳本 /usr/bin/rm_safe.sh      chmod a+x  /usr/bin/rm_safe.sh

#!/bin/bash
# 安全的rm腳本
 
 
dir=$(date "+%y_%m_%d")
dir="/trash/$dir"
#echo $dir
if [ ! -d $dir ];then
    mkdir -p $dir
fi
 
 
is_f=false
args=""
 
 
function f_remove() {
    for i in ${args}; do
        if [ -d "$i" -o -f "$i" ];then
            name=`basename $i`
            if [ -d "$dir/$name" -o -f "$dir/$name" ];then
                new_name="$dir/${name}_$(date '+%T')"
                mv $i $new_name && echo "$i deleted,you can see in $new_name"
            else
                mv $i $dir && echo "$i deleted,you can see in $dir/$i"
            fi
        else
            echo "參數錯誤"
        fi
    done
}
 
 
function remove() {
    for j in ${args}; do
        if [ -d "$j" -o -f "$j" ];then
            name=`basename $j`
            read -p "Remove $name?[y/n]" bool
            if [ $bool == "n" ];then
                exit
            elif [ $bool == "y" ];then
                if [ -d "$dir/$name" -o -f "$dir/$name" ];then
                    new_name="$dir/${name}_$(date '+%T')"
                    mv $j $new_name && echo "$j deleted,you can see in $new_name"
                else
                    mv $j $dir && echo "$j deleted,you can see in $dir/$j"
                fi
            fi
        else
            echo "參數錯誤"
        fi
    done
}
 
 
while [ "$1" ]; do
    case "$1" in
        -fr|-rf)
            is_f=true
            shift
            ;;
        -i)
            is_f=false
            shift
            ;;
        *)
            args="$1 $args"
            shift
            ;;  
    esac
done
 
 
if [[ $is_f = true ]];then
    f_remove
else
    remove
fi

2./trash 根目錄創建文件夾

3.vi  /etc/bashrc 增加

alias rm=/usr/bin/safe_rm.sh