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    -c, --count=i       command repeat count (default 1000)
    -e, --exec=s        set executing commands
    -s, --silent        do not show same result
    -p, --plain         shortcut for --nodate --nonewline
    --[no-]date         show date at the beginning (default on)
    --[no-]newline      print newline result (default on)
    --[no-]clear        clear screen after output (default on)
    --diff=command      diff command used to compare result
    --unit=unit         comparison unit (word/letter/char/mecab)

    -V, --verbose       print diff control command (default off)
    -M, --mark          show diff mark (default off)
    -O, --old           show old data (default off)
    -C[#],--context=#   diff before/after context (default 2)
    -S, --scroll        set scroll region (default on)

    -h, --help          show help
    --version           show version

=head1 VERSION

Version 4.4501

=head1 EXAMPLES

    watchdiff df

    watchdiff --silent df

    watchdiff --refresh 5 --noclear df

    watchdiff ifconfig en0

    watchdiff -sri1 -- netstat -sp ip

    watchdiff -ps --diff=sdif netstat -sp ip

    watchdiff -e uptime -e iostat -e df

    watchdiff -pc18i10r0 date; say -v Alex Ramen is ready

    watchdiff -sU2 du -h ~/Music

=head1 DESCRIPTION

Use C<^C> to terminate.

Basically B<watchdiff> command expect the command output is small
enough to fit within a terminal screen size.  If the output is longer
than the screen height, only the final part is shown.

Use C<-C#> option if the output is large and you want to see modified
part only.

=head1 OPTIONS

=over 7

=item B<-C>[I<context>]

Show I<context> lines before/after updated part.  This option implies
the C<--verbose> option enabled. To explicitly disable it, specify the
C<--no-verbose> option.

=item B<-S>, B<-->[B<no->]B<scroll>

Set the scroll area from the third line of the screen to the bottom
edge.  Default on.

=back

=head1 AUTHOR

Kazumasa Utashiro

L<https://github.com/kaz-utashiro/sdif-tools>

=head1 LICENSE

Copyright 2014-2026 Kazumasa Utashiro

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=head1 SEE ALSO

L<App::sdif>

L<diff(1)>, L<cdif(1)>, L<sdif(1)>

=cut

#  LocalWords:  watchdiff diff Kazumasa Utashiro ifconfig df netstat
#  LocalWords:  icmp iostat sdif