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Use each line as a parameter.

=item C<slpf>

Split each line into parameters. All parameters from a single line will be run
in parallel, but lines will be run serially.

=back

See also: B<--fields>, B<--lines>, B<--serial-lines-parallel-fields>

=item B<--random>

=item B<-R>

Shuffle the parameters.

=item B<--replace-string> I<STRING>

=item B<-replstr> I<STRING>

=item B<-I=s> I<STRING>

Use I<STRING> instead of C<{}> as a placeholder for the parameter.

=item B<--reverse>

=item B<-r>

Use the parameters in reverse order.

=item B<--sequence> I<SPEC>

=item B<-s> I<SPEC>

Use I<SPEC> as parameters.

I<SPEC> is in one of the forms:

=over

=item C<N..M>

Parameters are from I<N> to I<M>, inclusive.

=item C<M>

Parameters are from 1 to I<M>, inclusive.

=back

=item B<--serial-lines-parallel-fields>

=item B<-slpf>

Alias for C<--mode slpf>.

=back

=head2 OUTPUT

=over

=item B<--colour>

=item B<--color>

=item B<--no-colour>

=item B<--no-color>

Turn on or off ANSI colours in the output.

The default is to enable colours if STDOUT is a TTY.

=item B<--markers>

=item B<--no-markers>

Prefix (the default), or don’t prefix, jobs’ STDOUT and STDERR output with
C<E<gt>> or C<≫>, respectively.

=item B<--quiet>

=item B<-q>

Print less. Can be repeated for less and less.

=item B<--summary>

=item B<-S>

=item B<--no-summary>

Print (the default if there’s more than one parameter), or don’t print, a
summary of how many jobs ran and which of them failed.

=item B<--timestamp-format> I<FORMAT>

Format timestamps using I<FORMAT>. See L<DateTime::strftime|DateTime::strftime>.

The default is C<%T.%3N>.

Implies B<--timestamps>.

=item B<--timestamps>

=item B<-t>

Prefix lines from jobs’ output with a timestamp. The time printed will be the
I<approximate> time the line was printed by the job.

=item B<--verbose>

=item B<-v>

Print more. Can be repeated for more and more.

=back