zk/tests/cmd-list-filter-link.tesh

$ cd full-sample

# Find notes linking to "Message passing".
$ zk list --debug-style -q --link-to 4oma.md
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>
><title>Concurrency in Rust</title> <path>g7qa.md</path> (just now)
>
>  - [Channel](fwsj) for a safe [<term>message passing</term>](4oma) approach.
>

# Follow backlinks of "Message passing" recursively.
# FIXME: The snippets don't seem right.
$ zk list --debug-style -q --link-to 4oma.md --recursive
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>
><title>Concurrency in Rust</title> <path>g7qa.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>  - [Channel](fwsj) for a safe [<term>message passing</term>](4oma) approach.
>
><title>Mutex</title> <path>inbox/er4k.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>

# Follow backlinks of "Message passing" recursively, limiting to 1 level of indirection.
$ zk list --debug-style -q --link-to 4oma.md --recursive --max-distance 1
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>
><title>Concurrency in Rust</title> <path>g7qa.md</path> (just now)
>
>  - [Channel](fwsj) for a safe [<term>message passing</term>](4oma) approach.
>

# Find notes linked by "Mutex".
# The snippet is an extract from the Mutex note.
$ zk list --debug-style -q --linked-by inbox/er4k.m
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - Managing mutexes is tricky, using [<term>channels</term>](../fwsj) is an easier alternative.
>
><title>Ownership in Rust</title> <path>88el.md</path> (just now)
>
>  - Thanks to its [<term>Ownership</term>](../88el) pattern, Rust makes sure we can't mess up when using locks.
>

# Find notes linked by "Mutex" recursively.
$ zk list --debug-style -q --linked-by inbox/er4k.m --recursive
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - Managing mutexes is tricky, using [<term>channels</term>](../fwsj) is an easier alternative.
>
><title>Ownership in Rust</title> <path>88el.md</path> (just now)
>
>  - Thanks to its [<term>Ownership</term>](../88el) pattern, Rust makes sure we can't mess up when using locks.
>
><title>Message passing</title> <path>4oma.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>
><title>The Stack and the Heap</title> <path>tdrj.md</path> (just now)
>
>  - The Ownership is a method to manage data on the Heap ([<term>The Stack and the Heap</term>](tdrj)).
>
><title>Do not communicate by sharing memory; instead, share memory by communicating</title> <path>ref/7fto.md</path> (just now)
>
>  - The Go language is advocating for this approach with their slogan: "[<term>Do not communicate by sharing memory; instead, share memory by communicating</term>](ref/7fto)".
>

# Find notes linked by "Mutex" recursively, limiting to 2 levels.
$ zk list --debug-style -q --linked-by inbox/er4k.m --recursive --max-distance 2
><title>Channel</title> <path>fwsj.md</path> (just now)
>
>  - Managing mutexes is tricky, using [<term>channels</term>](../fwsj) is an easier alternative.
>
><title>Ownership in Rust</title> <path>88el.md</path> (just now)
>
>  - Thanks to its [<term>Ownership</term>](../88el) pattern, Rust makes sure we can't mess up when using locks.
>
><title>Message passing</title> <path>4oma.md</path> (just now)
>
>  - It's an implementation of the [<term>message passing</term>](4oma) pattern.
>
><title>The Stack and the Heap</title> <path>tdrj.md</path> (just now)
>
>  - The Ownership is a method to manage data on the Heap ([<term>The Stack and the Heap</term>](tdrj)).
>

# Find notes not linking to "Channel".
$ zk list -qf\{{title}} --no-link-to fwsj.md
>Buy low, sell high
>Channel
>Compound interests make you rich
>Dangling pointers
>Data race error
>Diversify your portfolio
>Do not communicate by sharing memory; instead, share memory by communicating
>Don't speculate
>Errors should be handled differently in an application versus a library
>Fearless concurrency
>Financial markets are random
>Green threads
>How to choose a broker?
>Investment business is a scam
>Message passing
>Null references: the billion dollar mistake
>Ownership in Rust
>Stick to your portfolio strategy
>Strings are a complicated data structure
>The Stack and the Heap
>The borrow checker
>Use small Hashable items with diffable data sources
>When to prefer PUT over POST HTTP method?
>Zero-cost abstractions in Rust
>§How to invest in the stock markets?

# Find notes not linked by "Channel".
$ zk list -qf\{{title}} --no-linked-by fwsj.md
>Buy low, sell high
>Channel
>Compound interests make you rich
>Concurrency in Rust
>Dangling pointers
>Data race error
>Diversify your portfolio
>Do not communicate by sharing memory; instead, share memory by communicating
>Don't speculate
>Errors should be handled differently in an application versus a library
>Fearless concurrency
>Financial markets are random
>Green threads
>How to choose a broker?
>Investment business is a scam
>Mutex
>Null references: the billion dollar mistake
>Ownership in Rust
>Stick to your portfolio strategy
>Strings are a complicated data structure
>The Stack and the Heap
>The borrow checker
>Use small Hashable items with diffable data sources
>When to prefer PUT over POST HTTP method?
>Zero-cost abstractions in Rust
>§How to invest in the stock markets?