Mention how to manipulate messages via real batch job scripts

積丹尼 Dan Jacobson <[email protected]>
Newsgroups gmane.comp.gnu.mailutils.bugs
Message-ID <[email protected]>
On (info "(mailutils) Specifying Messages")
and many other pages, please add a note that
even the simplest
"p 1"
won't work from scripts, or --exec
because the mailbox hasn't been read in yet.

If one wants to script "p 1" totally via a batch job, one must use e.g.,
$ echo -e p 1\\nx|mail.mailutils #non destructive example
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