matrixfurry.com
Various scripts that I maintain
Initial Commit
Signed-off-by: Shiloh Fen <shiloh@shilohfen.com>
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README.md
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README.md
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Scripts
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=======
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Various scripts and Nushell modules that I maintain or use.
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# Nushell Modules
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## Nebula
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Wrapper to make setting up new hosts in a nebula network easier.
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# Scripts
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## Nushell
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### ADB Auto Connect
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Automatically find and connect to an Android device with Wireless Debugging over the local network.
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You'll need to create a file at `~/.config/adb-auto-connect.nuon` with the MAC Addresses you want to search for. For example:
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```json
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[
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"ff:ff:ff:ff:ff:ff",
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"aa:aa:aa:aa:aa:aa"
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]
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```
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### Auto Benchmark
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Set up and run a Blender benchmark on the specified device, then automatically compare your results to the results on [Blender Open Data](https://opendata.blender.org/).
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### ln-bin
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Quickly symlink executable files to `~/.local/bin/`
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### yt-rss
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Get an RSS feed for the specified YouTube channel.
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## Bash
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### oscavmgr-launch
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Slightly modified version of Galister's oscavmgr start script. Launches oscavmgr and VrcAdvert together.
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bash/oscavmgr-launch.sh
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bash/oscavmgr-launch.sh
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#!/usr/bin/env bash
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# stop VrcAdvert after OscAvMgr quits
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trap 'jobs -p | xargs kill' EXIT
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VrcAdvert OscAvMgr 9402 9002 --tracking &
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# If using WiVRn
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oscavmgr openxr
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## If using ALVR
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#oscavmgr alvr
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## If using Project Babble and/or EyeTrackVR
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#oscavmgr babble
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nushell/adb-auto-connect.nu
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nushell/adb-auto-connect.nu
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#!/usr/bin/nu
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const mac = open "~/.config/adb-auto-connect.nuon"
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def main [] {
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let connected = (adb devices -l | lines | skip | drop | length) > 0
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if $connected {
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print "Already Connected"
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} else {
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let ip = ip neigh
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| lines
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| parse "{ip} {type} {device} lladdr {mac} {status}"
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| where mac in $mac
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| get ip.0
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let port = nmap -p 37000-65000 --open --max-retries 1 --min-rate 500000 -T5 -oX - $ip
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| lines
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| skip 4
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| str join "\n"
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| from xml
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| get content
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| where tag == host
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| get content.0
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| where tag == ports
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| get content.0
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| where tag == port
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| get attributes.portid.0
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adb connect $"($ip):($port)"
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}
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}
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nushell/auto-benchmark.nu
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nushell/auto-benchmark.nu
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#!/usr/bin/nu
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use std [log assert]
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def main [
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--debug: string # NUON
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] {
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log info "Getting latest version"
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let version = benchmark-launcher-cli blender list
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| parse "{version}\t{download_size}"
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| get 0.version
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log info "Getting latest scenes"
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let scenes = benchmark-launcher-cli scenes list --blender-version=($version)
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| parse "{name}\t{download_size}"
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| get name
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log info "Selecting device"
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let device = benchmark-launcher-cli devices --blender-version=($version)
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| parse "{device}\t{type}"
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| each {|e| $e.type + ": " + $e.device}
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| input list "Choose a device to benchmark"
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| split row ": "
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| {name: $in.1, type: $in.0}
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log info "Starting benchmark"
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let results = if $debug != null {$debug | from nuon} else {
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benchmark-launcher-cli benchmark ...$scenes --blender-version=($version) --device-type=($device.type) --device-name=($device.name) --json | from json
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}
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log info "Done!"
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let sum = $results.stats.samples_per_minute | math sum
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# HACK: It doesn't look like open data has a normal API so we have to do a bit of a workaround
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let opendata = http get $"https://opendata.blender.org/benchmarks/query/?device_name=($device.name)&blender_version=($version)&response_type=datatables"
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| $"[($in.columns.display_name | to nuon); ($in.rows | to nuon | str substring 1..-2)]"
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| from nuon
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let opendata_median = $opendata | get 'Median Score' | math median
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let diff = $sum - $opendata_median
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log debug ""
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log debug $"Blender Version: ($version)"
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log debug $"Benchmark Launcher Version: ($results.0.benchmark_launcher.label)"
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log debug $"Benchmark Script Version: ($results.0.benchmark_script.label)"
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log debug $"Device: ($device.name)"
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log debug $"Scenes: ($scenes | str join ', ')"
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log info ""
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log info "Results:"
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$results
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| each {|result|
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log debug $"-> ($result.scene.label): (ansi blue)($result.stats.samples_per_minute)(ansi reset) samples/min"
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}
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log info $"-> Total: (ansi blue)($sum)(ansi reset) samples/min"
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log info $"-> Open Data: (ansi blue)($opendata_median)(ansi reset) samples/min"
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log info $"-> Delta: (
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if $diff < 0 {
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(ansi red)
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} else if $diff == 0 {
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(ansi grey) + "±"
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} else {
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(ansi green) + "+"
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}
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)($diff)(ansi reset) samples/min"
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}
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nushell/ln-bin.nu
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nushell/ln-bin.nu
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nushell/nebula/mod.nu
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nushell/nebula/mod.nu
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# SPDX-License-Identifier: AGPL-3.0-only
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# SPDX-FileCopyrightText: 2025 Shiloh Fen <shiloh@shilohfen.com>
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const path_data: path = "~/.local/share/nebula" | path expand
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const path_ca_cert: path = $path_data | path join "ca.crt"
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const path_ca_key: path = $path_data | path join "ca.key"
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const path_state: path = $path_data | path join "state.nuon"
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export def sign [
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name: string
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groups: list<string>
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]: nothing -> record<path_cert: path, path_key: path> {
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if not ($path_ca_key | path exists) {
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error make {
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text: "No CA key found."
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help: "Run submodule `ca` to generate a CA before attempting to sign a device cert."
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}
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}
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let tmp = mktemp -td "nebula-XXXXX"
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let path_device_cert = $tmp | path join $"($name).crt"
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let path_device_key = $tmp | path join $"($name).key"
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let ip_part = (open $path_state | get last_ip) + 1
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nebula-cert sign -name $name -ca-crt $path_ca_cert -ca-key $path_ca_key -ip $"192.168.100.($ip_part)/24" -groups ($groups | str join ",") -out-crt $path_device_cert -out-key $path_device_key
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{last_ip: $ip_part} | save -f $path_state
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{
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path_cert: $path_device_cert
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path_key: $path_device_key
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}
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}
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export def ca [
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name: string
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] {
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mkdir $path_data
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nebula-cert ca -name $name -out-crt $path_ca_cert -out-key $path_ca_key -encrypt
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print "Certificate will be valid for one year. Be sure to set up an alert or calendar event to rotate your CA and certificates before then to ensure continued connectivity!"
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{last_ip: 0} | save -f $path_state
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}
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nushell/yt-rss.nu
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nushell/yt-rss.nu
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#!/usr/bin/nu
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use std assert
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def main [
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channel_url: string
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--copy (-c)
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] {
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validate-url $channel_url
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let rss_url = $"https://www.youtube.com/feeds/videos.xml?channel_id=(get-channel-id $channel_url)"
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if $copy {
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wl-copy $rss_url
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} else {
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print $rss_url
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}
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}
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def validate-url [channel_url: string] {
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assert (
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($channel_url | str starts-with "https://www.youtube.com/@")
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or ($channel_url | str starts-with "https://www.youtube.com/channel/")
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or ($channel_url | str starts-with "https://www.youtube.com/c/")
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) --error-label {
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text: "This is not a valid YouTube channel URL.",
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span: (metadata $channel_url).span
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}
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}
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def get-channel-id [channel_url: string]: nothing -> string {
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let path = ($channel_url | url parse).path
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if ($path | str starts-with "/channel") {
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$path
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| str replace "/channel/" ""
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} else {
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http get -r $channel_url
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| parse -r '{"key":"browse_id","value":"(?P<channel_id>[^"]*)"}'
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| get channel_id.0
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}
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}