No, this will remove 'var_is_not_set_so_please_fix_this_script' file if one exists. If you're suggesting using parameter expansion, at least suggest the correc

No, this will remove 'var_is_not_set_so_please_fix_this_script' file if one exists. If you're suggesting using parameter expansion, at least suggest the correct one (i.e. one that will give a meaningful error message): ${parameter:?word} http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02 http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3...