Hi-- On Oct 17, 2012, at 9:16 AM, Gene Heskett wrote: [ ... ] >> are turned off by default and have to be explicitly turned on. > > My crontab's invocation had --detect-pua, with no following argument, so > apparently it defaults to on in those circumstances.
Some decades ago Unix folks standardized command-line option processing via getopt() in POSIX.2 aka IEEE Std 1003.2-1992, and later GNU extensions aka getlongopt(). What options take effect when no flags are passed are the default options. Having to enable something means it is not a default option. getlongopt()-style programs also support --foo=no (and maybe --no-foo). That's the same as leaving out the option entirely, if it is not enabled by default. So, FYI, what you describe is "explicitly turning on" an option. :-) Regards, -- -Chuck _______________________________________________ Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net http://www.clamav.net/support/ml
