在Linux中恢复脚本

问题描述

我通过虚拟机使用Linux，

I'm using Linux through a virtual machine,

我的课程我要创建3个脚本，脚本，它们之一是要删除的文件恢复到或者用户提出或原来的位置的位置

for my coursework i have to create 3 scripts, one of they scripts is to restore deleted files to either a location the user puts in or to the original location

这是我有我的剧本至今

#!/bin/sh
if [ "$1" == "-n" ]
then
  cd /root/michael/trash
  restore`grep "$2" cd /root/michael/store`
  filename=`basename "$restore"`
  echo "Where would you like to save the file?"
  read location
  location1=`readlink -f "$location"`
  mv -i $filename "location1"/filename
else
  cd /root/michael/trash
  restore=`grep "$2" cd /root/michael/store`
  filename=`basename "$restore"`
  mv -i $filename "location1" $location
fi

但是当我尝试恢复该文件我得到一个错误说

but when i try restore the file i get an error saying

grep: cd: no such file or directory
mv: cannot move `test' to `': no such file or directory

在sricpt现在的作品，当我做恢复-n
但它仍然不工作，当我做resotre

the sricpt now works when i do restore -n but it still doesnt work when i do resotre

我的脚本更新它现在看起来像：

update of my script it now looks like :

#!/bin/sh
if [ "$1" == "-n" ]
then
  cd /root/michael/trash
  restore`grep "$2" /root/michael/store`
  filename=`basename "$restore"`
  echo "Where would you like to save the file?"
  read location
  location1=`readlink -f "$location"`
  mv -i $filename "location1"/filename
else
  cd /root/michael/trash
  restore=`grep "$2" /root/michael/store`
  filename=`basename "$restore"`
  mv -i $filename "location1" $location
fi

现在我得到的错误：
MV：缺少目标文件后，操作`'当我尝试做恢复的test.txt

now I'm getting the error:mv: missing destination file operand after `' when i try to do restore test.txt

推荐答案

下面是清理语法：

#!/bin/sh
if [ "$1" == "-n" ]
then
  cd /root/michael/trash
  restore `grep "$2" /root/michael/store`
  filename=`basename "$restore"`
  echo "Where would you like to save the file?"
  read location
  location1=`readlink -f "$location"`
  mv -i $filename "$location1"/$filename
else
  cd /root/michael/trash
  restore=`grep "$2" /root/michael/store`
  filename=`basename "$restore"`
  mv -i $filename "$location1" $location
fi

但不幸的是，我无法推断出你的目标是其他子句中的东西;例如： MV -i $文件名$ LOCATION1$位置：既不位置或 LOCATION1 在使用前，这里定义的。

But unfortunately I am unable to infer what your goal is in the else clause; for instance: mv -i $filename "$location1" $location : neither location or location1 is defined before use here.

这篇关于在Linux中恢复脚本的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！