COMMAND_SET_COND
COMMAND_SET_COND(ifexists, "ifexists", "conditional file/dir present",
COMMAND_SET_COND(ifset, "ifset", "conditional kenv variable present", command_ifset);
COMMAND_SET_COND(elseifexists, "elseifexists", "conditional file/dir present",
COMMAND_SET_COND(else, "else", "conditional if/else/endif", command_else);
COMMAND_SET_COND(endif, "endif", "conditional if/else/endif", command_endif);