Fail

scrippy.sh: line 2: $'\r': command not found
scrippy.sh: line 5: $'\r': command not found
scrippy.sh: line 6: cd: $'/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/intel_backlight/\r': No such file or directory
scrippy.sh: line 7: $'\r': command not found
': not a valid identifierre: `max_bright
': not a valid identifierre: `current_bright
': not a valid identifierare: `new_bright
': not a valid identifierare: `ten
scrippy.sh: line 12: $'\r': command not found
cat: max_brightness: No such file or directory
cat: brightness: No such file or directory
scrippy.sh: line 17: $'\r': command not found
scrippy.sh: line 19: syntax error near unexpected token `$'{\r''
'crippy.sh: line 19: `{