copies the body of a news or email article in
to a temporary file (called the
and then calls
is supposed to somehow change the
It can for instance be a spell checker. Afterwards the possibly
changed body is remerged with the headers and copied back into the
is specified as
will act as a filter, i.e. standard input and standard output will
will be expanded to the name of the
if the -f option is used. Use
for a real % character.
The called program is a filter so don't make a temporary file, but
pipe the body to its standard input and read it back from its
Keep the entire header. This flag can also be used if
doesn't have a header at all.
Also remove quotes before filtering the body. Lines starting with
> are considered quotes.
Also remove signature before filtering the body.
Keep these header lines in the bodyfile. Multiple -k flags are
Print the version and exit.
uses one or two temporary files with names given by the
If some system call gives an unexpected error
will stop immediately with an error message leaving its temporary