Backslash found where operator expected at ./1.pl line 5, near ""echo -e "\"
        (Missing operator before \?)
Backslash found where operator expected at ./1.pl line 5, near "xFF\"
Backslash found where operator expected at ./1.pl line 5, near "x08\"
String found where operator expected at ./1.pl line 5, near "x01" >> /dev/...""
syntax error at ./1.pl line 5, near ""echo -e "\"
Execution of ./1.pl aborted due to compilation errors.
[255]