SONiC Utilities

.sonic_aliases

#!/usr/bin/env
# Copyright (c) 2022 Ho Kim (ho.kim@ulagbulag.io). All rights reserved.
# Use of this source code is governed by a MIT license.

# define a macro function
function interfaces_do() {
    # get all ethernet interfaces
    declare -a INTERFACES_ALL=$(show interfaces status | grep -Po '^ *Ethernet\K(\d+)')

    # get command line arguments
    declare -a CMD=${@:1}

    # iterate on each ethernet interface
    for id in $INTERFACES_ALL; do
        # replace all pattern '{}' to each interface id
        declare -a cmd=("${CMD[@]/\{\}/$id}")

        # execute the command
        $cmd
    done
}

use-cases.sh

#!/usr/bin/env
# Copyright (c) 2022 Ho Kim (ho.kim@ulagbulag.io). All rights reserved.
# Use of this source code is governed by a MIT license.

###########################################################
#   Function: interfaces_do                               #
###########################################################

# execute your own commands
interfaces_do echo "Ethernet{}"
interfaces_do sudo config interface mtu Ethernet{} 9000

###########################################################
#   Others                                                #
###########################################################

# save to file
sudo config save -y