On 2015-09-24 08:11, Jason McIntyre wrote: > On Wed, Sep 23, 2015 at 07:42:54PM -0400, Michael Reed wrote: >> banner(1) without arguments works fine, so denote it as such >> in the manual. >> > > in the context of banner(1), define "works fine". i mean, technically > maybe it does but, practically, why try to show this to the reader? is > there a use for banner without arguments?
For one thing, it is thereby "script-safe". In other words, you can do things like banner $mybanner and safely rely on it silently working without emitting error messages even if $mybanner is empty. Regards, /Benny >> >> >> Index: src/usr.bin/banner/banner.1 >> =================================================================== >> RCS file: /cvs/src/usr.bin/banner/banner.1,v >> retrieving revision 1.8 >> diff -u -p -r1.8 banner.1 >> --- src/usr.bin/banner/banner.1 6 Aug 2007 19:16:06 -0000 1.8 >> +++ src/usr.bin/banner/banner.1 23 Sep 2015 23:40:36 -0000 >> @@ -24,7 +24,7 @@ >> .Nd print strings in large letters >> .Sh SYNOPSIS >> .Nm banner >> -.Ar string ... >> +.Op Ar string ... >> .Sh DESCRIPTION >> .Nm >> prints up to 10 characters of each
