以前用shell写过一个rm但是并没有恢复功能，前一阵cu论坛上有个网友说能不能增加一个功能就是把删除的文件的原路径记录到一个文件中，所以我又写了这个rm增加了恢复功能，同时也能看到删除文件的原来路径。
rm功能:
rm -r
rm -f
rm -rf
rm -i
rm --help
以上功能和 平时用的rm命令功能基本一样，
rm -l新增加的功能
会把所有删除的文件显示一个列表，前边有行号你想恢复哪个文件只要按相应的行号就行，并按y确认
#!/bin/bash
#-----------------------------------------------------------------
# filename:
# author: wds
# begin:2008.1.27
# end:2008.2.1
# version: v.2
# script address: http://blog.chinaunix.net/u1/40306/index.html
#-----------------------------------------------------------------
from1=$1
from2=$2
garbage=$HOME/.garbage
mvlog=$garbage/mv.log
if [ ! -e $garbage ]
then
mkdir -p $garbage
chmod 777 $garbage
fi
function rand
{
a=(0 1 2 3 4 5 6 7 8 9 a b c d e A B C D E F )
for ((i=0;i<7;i++));do
echo -n ${a[$RANDOM % ${#a[*]}]}
done
}
random=$(rand)
function rm1
{
if [ -d "$from1" ]
then
echo "rm: cannot remove '$from1/' : Is a directory"
else
echo "`pwd`/:$from1:$random:`date`" >> $mvlog
mv "$from1" "$garbage/$from1:$random"
fi
}
function more
{
for file in *
do
echo "`pwd`/:$file:$random:`date`" >> $mvlog
mv $file "$garbage/$file:$random"
done 2> /dev/null
}
function rmi
{
if [ ! -d "$from2" ]
then
echo -n "rm:remove regular empty file '$from2'?" ; read answer;
if [ "$answer" = 'y' -o "$answer" = 'Y' ]
then
echo "`pwd`/:$from2:$random:`date`" >> $mvlog
mv "$from2" "$garbage/$from2:$random"
fi
else
echo "rm: cannot remove directory '$from2': Is a directory"
fi
}
function rmf
{
if [ ! -d "$from2" ]
then
echo "`pwd`/:$from2:$random:`date`" >> $mvlog
mv "$from2" "$garbage/$from2:$random"
else
echo "rm: cannot remove directory '$from2': Is a directory"
fi
}
function rmr
{
if [ -e "$from2" ]
then
result=$(echo $from2 | sed 's/\///g')
echo "`pwd`/:$result:$random:`date`" >> $mvlog
mv "$result" "$garbage/$result:$random"
fi
}
function rml
{
while :
do
clear
line=$(cat -n $mvlog | awk -F : '{print $1,"FileName:"$2, "Time:"$4}')
linecount=$(cat $mvlog | wc -l)
echo -e "$line\c"
echo
echo
echo "Please input number you want revent(line count:$linecount)--exit(e)"
read answer
if [ "$answer" = e -o "$answer" = E ]
then
break
else
(
echo "please input y(sure:)"
read answer1
if [ "$answer1" = y -o "$answer" = Y ]
then
address=$(sed -n "$answer""p" $mvlog | awk -F : '{print $1}')
filename=$(sed -n "$answer""p" $mvlog | awk -F : '{print $2}')
filerand=$(sed -n "$answer""p" $mvlog | awk -F : '{print $3}')
fullname=$address$filename
if [ -e "$fullname" ]
then
echo "The file exist!"
sleep 1
else
old="$garbage/$filename:$filerand"
new="$address$filename"
mv "$old" "$new"
delline=$( cat $mvlog | sed "$answer""d" | sort -o $mvlog)
echo "update ok!!!"
sleep 1
fi
fi
)
fi
done
}
function help
{
echo "
-i) If you wants delete some file , this function is confirm you want,the same as old rm.
-f) If you wants delete some directory ,you can use this function ,the same as old rm.
-r) If you wants delete some directory of file ,this function can use , the same as old rm.
-l) This is new function,is you wants resume some file or directory you can use this function,
first this function can list some file in you garbage , these have some number ,if you
wants resume 1,you can input 1 and then input y to confirm.
If you want add some function or some new idear please contact me...
author:wds
email:
[email protected]
"
}
case "$1"
in
[a-z]) : ;;
[0-9]) : ;;
[A-Z]) : ;;
?) more ;;
*) :;;
esac
if [ "$#" -eq 0 ]
then
echo -n "rm: missing operand
Try 'rm --help' for more informaction.
"
fi
if [ "$#" -eq 1 ]
then
case "$from1"
in
-i) echo "Try 'rm --help' for more informaction."; break ;;
-f) echo "Try 'rm --help' for more informaction."; break ;;
-r) echo "Try 'rm --help' for more informaction."; break ;;
-l) rml ;;
--help) help;;
*) rm1;;
esac
fi
if [ "$#" -eq 2 ]
then
case "$from1"
in
-i) rmi ;;
-f) rmf ;;
-r) rmr ;;
-l) rml ;;
-rf) rmr ;;
--help) help ;;
esac
fi
if [ "$#" -gt 2 ]
then
for file in $*
do
mv $file "$home/"
done 2> /dev/null
fi
原文 http://blog.chinaunix.net/u1/40306/showart_474636.html
