Shell Programming and Scripting

echo "Please input file name after option and use -c to copy, -r
replace, or -x to delete"

if [ $# -eq 0 ]
   then
      echo "You must provide a filename!"
      exit 1
fi

if [ "1$" = "-c" ]
   then
   cp -- "$@"
   echo "Copying Complete."
   exit1
fi

if [ "$1" = "-c" ]

if [ "$1" = "-c" ]

Please input file name after option and use -c to copy, -r 
replace, or -x to delete
cp: cannot stat `-c': No such file or directory
Copying Complete.

if [ "$1" = "-c" ]; then
        cp -- $2 $3
 
elif [ "$1" = "-r" ]; then
        mv -- $2 $3
 
elif [ "$1" = "-x" ]; then
        rm -- $2 $3
else
        echo "wrong option"
        exit
fi

./options.sh -c file1 file2
./options.sh -r file1 file2
./options.sh -x file1 file2

if [ "$1" = "-c" ]; then
        cp -- $2 $3
 
elif [ "$1" = "-r" ]; then
        mv -- $2 $3
 
elif [ "$1" = "-x" ]; then
        rm -- $2 $3
else
        echo "wrong option"
        exit
fi

Please input file name after option and use -c to copy, -r 
replace, or -x to delete
option: line 21: syntax error: unexpected end of file