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<!doctype html> < html > < head > < title > Module commander — Hilbish< / title >
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< span class = navbar-toggler-icon > < / span > < / button > < div class = "collapse navbar-collapse" id = navbarSupportedContent > < ul class = "navbar-nav me-auto mb-2 mb-lg-0" > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/ class = nav-link > Home< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/install/ class = nav-link > Install< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/ class = nav-link > Docs< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/blog/ class = nav-link > Blog< / a > < / li > < / ul > < / div > < / div > < / nav > < / header > < style > @ media ( min-width : 768px ) { . sidenav { width : 240 px } } < / style > < div class = row > < nav class = "navbar-expand-md bg-light sidenav border-end" > < div class = container > < div class = "collapse navbar-collapse" id = navbarSupportedContent > < nav class = "navbar navbar-expand-md bg-light sidenav col" style = margin-top:-20px > < ul class = "navbar-nav me-auto mb-2 mb-lg-0 flex-column col mt-4" > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/ class = nav-link > < strong > Introduction< / strong > < / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/getting-started/ class = nav-link > < strong > Getting Started< / strong > < / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/faq/ class = nav-link > < strong > Frequently Asked Questions< / strong > < / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/features/ class = nav-link > < strong > Features< / strong > < / a > < / li > < ul style = list-style:none > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/completions/ class = nav-link > Completions< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/features/notifications/ class = nav-link > Notification< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/features/opts/ class = nav-link > Options< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/features/runner-mode/ class = nav-link > Runner Mode< / a > < / li > < / ul > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/hooks/ class = nav-link > < strong > Signals< / strong > < / a > < / li > < ul style = list-style:none > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/hooks/command/ class = nav-link > Command< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/hooks/hilbish/ class = nav-link > Hilbish< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/hooks/signal/ class = nav-link > Signal< / a > < / li > < / ul > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/lunacolors/ class = nav-link > < strong > Lunacolors< / strong > < / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/vim-mode/ class = nav-link > < strong > Vim Mode< / strong > < / a > < / li > < ul style = list-style:none > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/vim-mode/actions/ class = nav-link > Actions< / a > < / li > < / ul > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/nature/ class = nav-link > < strong > Nature< / strong > < / a > < / li > < ul style = list-style:none > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/nature/dirs/ class = nav-link > Module dirs< / a > < / li > < / ul > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/ class = nav-link > < strong > API< / strong > < / a > < / li > < ul style = list-style:none > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/bait/ class = nav-link > Module bait< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/commander/ class = nav-link > Module commander< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/fs/ class = nav-link > Module fs< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/hilbish/ class = nav-link > Module hilbish< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/hilbish/hilbish.aliases/ class = nav-link > Module hilbish.aliases< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/api/hilbish/hilbish.completion/ class = nav-link > Module hilbish.completion< / a > < / li > < li class = nav-item > < a href = /Hilbish/versions/doc-improvements/docs/a
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< a href = #introduction class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h3 > < p > Commander is the library which handles Hilbish commands. This makes
the user able to add Lua-written commands to their shell without making
a separate script in a bin folder. Instead, you may simply use the Commander
library in your Hilbish config.< / p > < div class = highlight > < pre tabindex = 0 class = chroma > < code class = language-lua data-lang = lua > < span class = line > < span class = ln > 1< / span > < span class = cl > < span class = kd > local< / span > < span class = n > commander< / span > < span class = o > =< / span > < span class = n > require< / span > < span class = s1 > ' commander' < / span >
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< / span > < / span > < span class = line > < span class = ln > 2< / span > < span class = cl >
< / span > < / span > < span class = line > < span class = ln > 3< / span > < span class = cl > < span class = n > commander.register< / span > < span class = p > (< / span > < span class = s1 > ' hello' < / span > < span class = p > ,< / span > < span class = kr > function< / span > < span class = p > (< / span > < span class = n > args< / span > < span class = p > ,< / span > < span class = n > sinks< / span > < span class = p > )< / span >
< / span > < / span > < span class = line > < span class = ln > 4< / span > < span class = cl > < span class = n > sinks.out< / span > < span class = p > :< / span > < span class = n > writeln< / span > < span class = s1 > ' Hello world!' < / span >
< / span > < / span > < span class = line > < span class = ln > 5< / span > < span class = cl > < span class = kr > end< / span > < span class = p > )< / span >
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< / span > < / span > < / code > < / pre > < / div > < p > In this example, a command with the name of < code > hello< / code > is created
that will print < code > Hello world!< / code > to output. One question you may
have is: What is the < code > sinks< / code > parameter?< / p > < p > The < code > sinks< / code > parameter is a table with 3 keys: < code > in< / code > , < code > out< / code > ,
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and < code > err< / code > . All of them are a < a href = /Hilbish/docs/api/hilbish/#sink style = text-decoration:none > Sink< / a > .< / p > < ul > < li > < code > in< / code > is the standard input.
You may use the read functions on this sink to get input from the user.< / li > < li > < code > out< / code > is standard output.
This is usually where command output should go.< / li > < li > < code > err< / code > is standard error.
This sink is for writing errors, as the name would suggest.< / li > < / ul > < h3 id = functions class = heading > Functions
< a href = #functions class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h3 > < table > < thead > < tr > < th > < / th > < th > < / th > < / tr > < / thead > < tbody > < tr > < td > < a href = #deregister > deregister(name)< / a > < / td > < td > Removes the named command. Note that this will only remove Commander-registered commands.< / td > < / tr > < tr > < td > < a href = #register > register(name, cb)< / a > < / td > < td > Adds a new command with the given < code > name< / code > . When Hilbish has to run a command with a name,< / td > < / tr > < / tbody > < / table > < hr > < div id = deregister > < h4 class = heading > commander.deregister(name)
< a href = #deregister class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h4 > < p > Removes the named command. Note that this will only remove Commander-registered commands.< / p > < h5 id = parameters class = heading > Parameters
< a href = #parameters class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h5 > < p > < code > string< / code > < strong > < code > name< / code > < / strong > < br > Name of the command to remove.< / p > < / div > < hr > < div id = register > < h4 class = heading > commander.register(name, cb)
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< a href = #register class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h4 > < p > Adds a new command with the given < code > name< / code > . When Hilbish has to run a command with a name,< br > it will run the function providing the arguments and sinks.< / p > < h5 id = parameters-1 class = heading > Parameters
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< a href = #parameters-1 class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h5 > < p > < code > string< / code > < strong > < code > name< / code > < / strong > < br > Name of the command< / p > < p > < code > function< / code > < strong > < code > cb< / code > < / strong > < br > Callback to handle command invocation< / p > < h5 id = example class = heading > Example
< a href = #example class = heading-link > < i class = "fas fa-paperclip" > < / i > < / a > < / h5 > < div class = highlight > < pre tabindex = 0 class = chroma > < code class = language-lua data-lang = lua > < span class = line > < span class = ln > 1< / span > < span class = cl > < span class = c1 > -- When you run the command `hello` in the shell, it will print `Hello world`.< / span >
< / span > < / span > < span class = line > < span class = ln > 2< / span > < span class = cl > < span class = c1 > -- If you run it with, for example, `hello Hilbish`, it will print ' Hello Hilbish' < / span >
< / span > < / span > < span class = line > < span class = ln > 3< / span > < span class = cl > < span class = n > commander.register< / span > < span class = p > (< / span > < span class = s1 > ' hello' < / span > < span class = p > ,< / span > < span class = kr > function< / span > < span class = p > (< / span > < span class = n > args< / span > < span class = p > ,< / span > < span class = n > sinks< / span > < span class = p > )< / span >
< / span > < / span > < span class = line > < span class = ln > 4< / span > < span class = cl > < span class = kd > local< / span > < span class = n > name< / span > < span class = o > =< / span > < span class = s1 > ' world' < / span >
< / span > < / span > < span class = line > < span class = ln > 5< / span > < span class = cl > < span class = kr > if< / span > < span class = o > #< / span > < span class = n > args< / span > < span class = o > > < / span > < span class = mi > 0< / span > < span class = kr > then< / span > < span class = n > name< / span > < span class = o > =< / span > < span class = n > args< / span > < span class = p > [< / span > < span class = mi > 1< / span > < span class = p > ]< / span > < span class = kr > end< / span >
< / span > < / span > < span class = line > < span class = ln > 6< / span > < span class = cl >
< / span > < / span > < span class = line > < span class = ln > 7< / span > < span class = cl > < span class = n > sinks.out< / span > < span class = p > :< / span > < span class = n > writeln< / span > < span class = p > (< / span > < span class = s1 > ' Hello ' < / span > < span class = o > ..< / span > < span class = n > name< / span > < span class = p > )< / span >
< / span > < / span > < span class = line > < span class = ln > 8< / span > < span class = cl > < span class = kr > end< / span > < span class = p > )< / span >
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