[Crash-utility] implementation of -h and --help

Dave Anderson anderson at redhat.com
Tue Jul 17 18:18:39 UTC 2007


Markus Armbruster wrote:
> Dave Anderson <anderson at redhat.com> writes:
> 
> [...]
> 
>>I thought you might pick up on the damn "less" issue in the help
>>output...  ;-)
>>
>>To handle that issue, I've decided to do the same thing that
>>man(1) does.  The man command does the same thing as crash, i.e,
>>it uses "/usr/bin/less -isr" by default, but allows its override
>>with a "MANPAGER" environment variable.  So I'm going to allow users
>>to hang themselves with CRASHPAGER environment variable.  I hadn't
>>thought of using it as part of the help output, but it should
>>work there as well.
> 
> 
> man(1) says:
> 
>        MANPAGER
>               If MANPAGER is set, its value is used as the name of the program
>               to  use to display the man page.  If not, then PAGER is used. If
>               that has no value either, /usr/bin/less -is is used.
> 
> Do you plan to fall back to PAGER when CRASHPAGER is not set?

No, because of the reason I mentioned earlier, that being an
environment of "PAGER=/usr/bin/less" completely screws up the
user interface.

Dave






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