Manual Reference Pages - NNGRAB (1)
nngrab - news retrieval by keyword (nn)
nngrab [ -c ] keyword
nngrab invokes nn
on all USENET articles whose subject (or keyword) field(s)
contain an instance of keyword. nngrab is a fast
nn -mxX -s/keyword all
will retrieve items concerning Nikola Tesla.
Keyword case is ignored unless -c is specified, and the
keyword can be a regular
expressions (escaped to avoid conflicts with the shell). For example,
The range of search includes all newsgroups on the system,
including ones which are unsubscribed.
nn(1), nnspew(8), egrep(1)
nngrab can be much faster than the equivalent command
shown above, if the tertiary news subject
database generated by the nnspew(8) daemon exists. To enable
the faster operation, nnspew must be executed regularly by cron.
nngrab uses egrep(1) to scan the subject database, so
if you are not running fast egrep (GNU-style) this is all for
nngrab will use a subject database generated by nnspew
independent of its age. Thus, if you stop running nnspew,
remember to remove the subjects file as well.
Under version 6.4 onwards, search of the "Keywords:" field is not supported.
Search on name is not possible either.
James A. Woods, NASA Ames Research Center
|--> ||NNGRAB (1) ||Release 6.6 |
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