#!/bin/sh 
# Usage: trash [arg] [arg] [arg]...
# Check for proper usage
if [ "$#" -eq 0 ] ; then
        echo "Error: no filenames given." >&2        echo "Usage: trash filename1 filename2 ..." >&2
        exit 1
fi
# Set variables
DIR=~/.trash
echo 
echo 
# Is there a .trash directory?
if [ ! -d "$DIR" ] ; then
        mkdir $DIRfi
# File processing loop 
for arg 
do
path=`pwd`
# Check to see that the file exists as a regular file with write permissions
if [ -f "$arg" ] ; then
        if [ -w "$arg" ]; then
                echo "Processing file $path/$arg..."
                mv $arg $DIR/$arg
                 STATUS=$?
                if [ "$STATUS" -eq 0 ] ; then
                        echo "$path     XX$arg" >> $DIR/.trash_history
                        chmod 600 $DIR/.trash_history
                        echo "The file $arg has been removed to the $DIR directory."                else
                        echo "Error: the file $arg was not moved to the $DIR directory."                fi        
else
                echo "The file is not writable by the current user."
                echo "Proceeding to the next file."
        fi
else
         echo "The file $arg does not exist."
        echo "Proceeding to the next file."
fi
echo 
done
echo 
echo"No more files.  Process complete."

#!/bin/sh 
# This program will restore a file that was moved to the 
# ~/.trash folder by the trash script.
# Only files that were deleted by the user can be
# restored by that user.
# Usage: restore file1 file2 ...
# Check for proper usage
if [ "$#" -eq 0 ] ; then
        echo "Error: no filenames specified."
        echo "Usage: restore file1 file2 ..."
        exit 1
fi
# Assign global variables
DIR=~/.trash
HX=~/.trash/.trash_history
# Check that there is a history
if [ ! -e "$HX" ] ; then
        echo "Error: file $HX does not exist."
        echo "Unable to proceed."
        exit 2
fi
# File process loop begins here
for arg
do
# Check that the file exists and is writable by the user
if [ -e "$DIR/$arg" ] ; then
        if [ -w "$DIR/$arg" ] ; then
                # find the original path of the file
                path=`grep "    XX$arg$" $HX | cut -f1`
                mv "$DIR/$arg" "$path/$arg"
                STATUS=$?
                if [ ! "$STATUS" -eq 0 ] ; then
                        echo ; echo "An error occurred.  Process halted."
                        echo $STATUS
                        exit 3
                fi
                sed "s/.*XX$arg$//" "$HX" >> restoretmp
                mv restoretmp "$HX"
                     rm restoretmp
          else
                echo ; echo "Error: file $arg not writable by this user."
                echo "File not restored.  Proceeding to next file."
        fi
else
        echo ; echo "Error: file $arg does not exist in the $DIR folder."
        echo "Proceeding to next file."
fi
done