如何解决为UNIX编写了bash代码以充当回收站卡在传递参数到测试函数上
我为UNIX的recyclebin文件编写了代码。当我bash recyclebin -i filename时， 它读取文件名之前传递的getopts，之后调用test函数 并进入测试函数，但不进入函数内部的for循环。该程序不会从那里去任何地方，我被困在那里。任何帮助我在哪里做错了
#!bin/bash
### 2. creating directory ~/recyclebin in home if not present
if [[ ! -d $HOME/recyclebin ]]
then
mkdir $HOME/recyclebin
#touch $HOME/.restore.info
fi
if [ -d $HOME/recyclebin ] && [ ! -e $HOME/.restore.info ]
then
touch $HOME/.restore.info
fi
### 4. Test Conditions
function test() {
for arg in $*
do
file=$arg
###No Filename Provided Error
if [ $# -eq 0 ]
then
echo "missing operand"
file="Error"
exit 1
###File Does Not Exist Error
elif [ ! -e $file ]
then
echo "Cannot delete $file: No such file exists"
file="Error"
exit 2
###Directory Name provided
elif [ -d $file ]
then
echo "Cannot delete $file : Not a file."
file="Error"
exit 3
###cannot delete any argument with recycle in it
elif [[ "${file}" =~ .*"recycle".* ]]
then
echo "Attempting to delete recycle – operation aborted"
file="Error"
exit 4
fi
processRequest
done
}
processRequest(){
echo "Entered processRequest"
if [ $noChoice = true ]
then
recycle
elif [ $iOption = true ] && [ $vOption = true ]
then
read -p "recycle: remove file '$file' ? [y/n] " response
case $response in
[yY]*)
recycle
echo "recycle: '$file' is removed";;
*)
continue ;;
esac
elif [ $iOption = true ]
then
read -p "recycle: remove file '$file' ? [y/n] " response
case $response in
[yY]*)
recycle
echo "recycle: '$file' is removed";;
*)
continue ;;
esac
elif [ $vOption = true ]
then
recycle
echo "removed '$file' to the Recycle Bin"
fi
}
### Assigning the values of flename,absolute path and inode to variable
### name,absolute_path and inode before sending it to recyclebin folder
recycle() {
# If no errors mv the file to the recyclebin folder and add to .restore.info file.
if [ $file != "Error" ] ; then
name=$(basename ${file}) #bcz file can be entered with full path
path_cropped=$(readlink -e ${i} | cut -d"/" -f6-)
path=$(dirname $(readlink -e ${i} | cut -d"/" -f6-))
absolute_path="${HOME}/${path_cropped}"
inode=$(stat -c '%i' ${file})
filename=$name"_"$inode
echo $newfilename:$fixedpath >> $HOME/.restore.info
mv $file $recyclepath/$newfilename
fi
}
###--------------------Starts from here after checking dir if exists or not--------------------------------------
###Declaring variables which further fulfills condition to act as i,v,r commands
###as i = iOption; v = vOption; no command = noChoice and recycle files recursively
### = r or R
noChoice=true
iOption=false
vOption=false
removeFolder=false
while getopts ivrRvi opt
do
case $opt in
iv)
iOption=true
vOption=true
noChoice=false
break;;
vi)
iOption=true
vOption=true
noChoice=false
break;;
i)
iOption=true
noChoice=false
break;;
v)
vOption=true
noChoice=false
break;;
r)
removeFolder=true
break;;
R)
removeFolder=true
break;;
esac
done
shift $(($OPTIND - 1))
### CAlling the test function to test all the mentioned conditioned inside the test function
test
--------------------------------------------------------------------------
``` ```````````````````````````````````````````````````````````````
**Solved code**
``` ```````````````````````````````````````````````````````````````
#!bin/bash
### 2. creating directory ~/recyclebin in home if not present
if [[ ! -d $HOME/recyclebin ]]
then
mkdir $HOME/recyclebin
#touch $HOME/.restore.info
fi
### Creating .restore.info file if file is not yet present in
### home directory
if [ -d $HOME/recyclebin ] && [ ! -e $HOME/.restore.info ]
then
touch $HOME/.restore.info
fi
if [ $# -eq 0 ]
then
echo "recycle: missing operand"
exit 1
fi
### 4. Test Conditions to check
testCondition() {
for arg in "$@"
do
file=$arg
###File Does Not Exist Error
if [ ! -e "$file" ]
then
echo "recycle: Cannot delete $file: No such file exists"
file="Error"
exit 2
###Directory Name provided
elif [ -d $file ]
then
echo "recycle: Cannot delete $file : Is a directory."
file="Error"
exit 3
###cannot delete any argument with recycle in it
elif [[ "${file}" =~ .*"recycle".* ]]
then
echo "recycle: Attempting to delete – operation aborted"
file="Error"
exit 4
fi
processRequest $file
done
}
processRequest(){
if [[ "$noChoice" = true ]]
then
recycle $file
elif [ "$iOption" = true ] && [ "$vOption" = true ]
then
echo "recycle: remove file '$file' ? [y/n] "
read response
case $response in
[yY]*)
recycle $file
echo "recycle: '$file' is removed";;
*)
continue ;;
esac
elif [ "$iOption" = true ]
then
read -p "recycle: remove file '$file' ? [y/n] " response
case $response in
[yY]*)
recycle $file
echo "recycle: '$file' is removed";;
*)
continue ;;
esac
elif [ "$vOption" = true ]
then
recycle $file
echo "removed '$file' to the Recycle Bin"
fi
}
### Assigning the values of flename,absolute_path and inode before sending it to recyclebin folder
recycle() {
# If no errors mv the file to the recyclebin folder and add to .restore.info file.
if [[ ! $file == "Error" ]]
then
name=$(basename $file) #bcz file can be entered with full path
path_cropped=$(readlink -e $file | cut -d"/" -f6-)
absolute_path="${HOME}/${path_cropped}"
inode=$(stat -c '%i' $file)
filename=$name"_"$inode
echo $filename:$absolute_path >> $HOME/.restore.info # saving filename:path/to/file in .restore.info
mv $file $HOME/recyclebin/$filename # movinf file as filename_inode to recyclebin
fi
}
recFolder() {
for arg in $*
do
dirPath=$(readlink -e "$arg")
if [ -d "$dirPath" ] # check if the current argument IS a directory
then
if [[ $(ls "$dirPath" | wc -l) -eq 0 ]] #check to see if current directory is empty
then
rmdir $dirPath
else #if not an empty directory
findCurPathList=$(find $dirPath) # to find all the subdirectories and files list inside directory
for file in $findCurPathList
do
if [[ -f "$file" ]] #if it is a file
then
processRequest "$file"
fi
done
#-----------------------------------------------Now in prevIoUs loop,once all the files are removed and saved in
#recyclebinfolder and in .recycle.info file. Now delete the
#empty subdirectories in second loop
for args1 in $findCurPathList
do
if [[ -d $args1 ]]
then
if [[ $(ls $args1 | wc -l) -eq 0 ]]
then
rmdir $args1
fi
fi
done
#if [[ $(ls "$arg" | wc -l) -eq 0 ]] #check to see if current directory is empty
#then
# rmdir $dirPath
#fi
fi
else # if NOT a directory then this executes
echo "recycle: not a directory"
fi
done
}
###--------------------Starts from here,after checking dir if exists or not--------------------------------------
###Declaring variables which further fulfills condition to act as i,r commands
###as i = iOption; v = vOption; no command = noChoice and recycle files recursively
### = r or R
noChoice=true
iOption=false
vOption=false
removeFolder=false
while getopts ivrR opt
do
case $opt in
i)
iOption=true
noChoice=false;;
v)
vOption=true
noChoice=false;;
r)
removeFolder=true;;
R)
removeFolder=true;;
*)
echo "recycle: invalid input"
exit 1;;
esac
done
shift $(($OPTIND - 1))
### Now checking if -r or -R is passed as an argument and the passed in file argument
### is either directory or existing file to continue
if [[ "$removeFolder" == true ]]
then
for arg in "$@"
do
inputArg=$arg
if [[ -d $inputArg || -e $inputArg ]] # if the user pass -r request but the argument Could either be
#a directory o a file not directory
then
argList=$(find "$inputArg")
recFolder "$argList"
else
echo "recycle: $inputArg does not exist!"
fi
done
else
### CAlling the test function to test all the mentioned conditioned inside the test function
testCondition "$@"
fi
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