UnknownSec Bypass 403

: /home/ubuntu/.nvm/test/fast/Unit tests/ [ drwxrwxr-x ]
name : nvm_is_natural_num #!/bin/sh die () { echo "$@" ; exit 1; } \. ../../../nvm.sh ! nvm_is_natural_num || die 'no args is not false' ! nvm_is_natural_num '' || die 'empty string is not false' ! nvm_is_natural_num a || die 'a is not false' ! nvm_is_natural_num -1 || 'negative number is not false' ! nvm_is_natural_num --1 || 'double negative number is not false' ! nvm_is_natural_num 1.2 || 'decimal number is not false' ! nvm_is_natural_num 0 || die 'zero is not false' nvm_is_natural_num 1 || die '1 is not true' nvm_is_natural_num 2 || die '2 is not true' nvm_is_natural_num 1234 || die '1234 is not true'