ralph wrote:
Hi Paul,
So if I do `-type text/plain -part 4' to read the email and get that
particular interesting PDF, I get nothing?
yes, that's right. but i think that's already true in current git
Yes, you're right! I checked git's mhlist(1) and it doesn't seem to
state it's (part42 || part314) && (text/plain || image/png) if both
-part and -type are given? Should I be looking somewhere else?
for documentation? no, the current behavior was relatively
undocumented. i've improved it some, but perhaps not enough. oh -- i
knew i hadn't uniformly updated the several affected man pages, but
didn't realized i'd only put this in mhshow(1):
The -type switch can also be used to restrict (or, when used in con‐
junction with -part, to further restrict) the display of parts accord‐
ing to content type. One or more -type switches part will only select
the first match from a multipart/alternative, even if there is more
than one subpart that matches (one of) the given content type(s).
"further restrict" might be too subtle. i had trouble with the
wording because of the "if -part and -type are both given" clause you
wrote above. but maybe you're on the right track. if only one of -part
or -type is used, then you get the union of the parts selected. if
both are used, you get the intersection of those unions.
(this is a case where having a "common options" man page would be very
handy. the individual commands could have a brief synopsis of the
behavior, with a pointer to a subsection to mh-switches(1) for the
full details. i balked at putting all the gore on all the man pages,
and i guess i shouldn't have.)
paul
=----------------------
paul fox, pgf@foxharp.boston.ma.us (arlington, ma, where it's 28.2 degrees)
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