list-all-other-rocketchat-channels

#!/bin/sh
#
# List all rocketchat channels I haven't joined yet.

joined=$(
    exec rest rocketchat get channels.list.joined 2>/dev/null |
        exec jq -rc '.channels | map({(._id): null}) | add'
)

exec rest rocketchat get channels.list 2>/dev/null |
    exec jq -r --argjson joined "$joined" '
        .channels[] |
        ._id as $_id |
        select($joined | has($_id?) | not) |
        "\(.name)\t\(.u.username)\t\(.ts)"
    ' |
    exec sort -s -k 3,3 |
    exec column -t

# vim: set ft=sh :