NAME

watchdiff - repeat command and watch differences

SYNOPSIS

watchdiff option -- command

Options:

        -r, --refresh:1     refresh screen count (default 1)
        -i, --interval=i    interval time in second (default 2)
        -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/char/mecab)

        -M, --mark          show diff mark (default off)
        -O, --old           show old data (default off)
        -U, --context=i     diff before/after context (default 100)

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

VERSION

Version 4.22.1

EXAMPLES

        watchdiff ifconfig -a

        watchdiff df

        watchdiff --silent df

        watchdiff --refresh 5 --noclear df

        watchdiff -sri1 -- netstat -sp icmp

        watchdiff -e uptime -e iostat -e df

        watchdiff -ps --diff 'sdif --no-command -U-1' netstat -S -I en0

        watchdiff -pc18i10r0 date; say tea is ready

        watchdiff -sU2 du -h ~/Music

DESCRIPTION

Use ^C to terminate.

Basically 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 -U option if the output is large and you want to see modified part only.

AUTHOR

Kazumasa Utashiro

https://github.com/kaz-utashiro/sdif-tools

LICENSE

Copyright 2014-2022 Kazumasa Utashiro

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

SEE ALSO

App::sdif

diff(1), cdif(1), sdif(1)